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Top 10 Square Rubber Plugs of 2020 – Consumer Guide & Reviews

Rank No. #1
Prescott Plastics 1 1/2 Inch Square Plastic Plug, Tubing Post End Cap, Chair Glide (8)
  • Fits 1-1/2" (1.5) Od 38Mm Square Tubing (1.5X1.5) With Inside Hole Diameters (Id) From 1 1/4" To 1 7/16" And Wall Thickness Of .040" - .122" (10-20) Gauge
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg protectors, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 1 1/2"x1 1/2" snap-in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
Rank No. #2
MELIFE 1 1/4 Inch Square Tubing Plastic Plug, 1.25" Anti Slip Chair Leg Caps Pipe Tubing End Cap, Fence Post Pipe Finishing Caps Insert Chair Glide (12 Pack)
  • 12 Pack 1 1/4" Square Plastic Tubing Plug 1.25 Inch End Cap.
  • For Fencing Posts, Furniture End Caps, Fitness Equipment End Caps.
  • High Grade Synthetic Rubber- Table Glide Insert | End Caps for Fitness Eqpt.
  • Tight fit, installs easily and securely.
  • Prevents scratching of your floor surface and protects your expensive furniture when furniture is moved.
Rank No. #3
3/4 Inch Square Tubing End Cap 20 PK (14-20 Gauge Wall Tubing) Plastic Plugs/Square End Caps/Plastic End Caps/Square Plug/Square Plastic Plug/by EZENDS … (20)
  • Plastic plug 3/4 inch package quantity 20

  • ★  IMPORTANT  ★  Only fits square tube inside diameter .58 inch - .68 inch  ★ 

    ✔ Provides a flush sleek look when installed with square tube outside diameter 3/4 inch x 3/4 inch. Works with square tubing 14-20 gauge.  ✔ Has proof of size embedded on the inside of plug (14/20 SQ 3/4).

  • Designed with flexible ridges for easy install and multi fit range of fit

  • Provides protection while giving a finished sleek look for many small projects: chair glide floor protector, fitness equipment end caps, fence post end caps,sign post, square tubing and pipe end caps  

  •   Heavy duty high quality black LD polyethylene, UV weather resistant, hardness durometer 50d, max temperature 150 degrees fahrenheit

Rank No. #4
Prescott Plastics 2 1/2 Inch Square Plastic Plug, Heavy Duty Tubing Post End Cap (4)
  • Fits 2-1/2" (2.5) OD square tubing (2.5x2.5) with INSIDE hole diameters (ID) from 2 1/4" to 2 7/16" and wall thickness of .040" - .122" (10-20) Gauge
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg protectors, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 2 1/2"x2 1/2" snap-in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
  • Made in USA with Heavy Duty Thick High Grade Plastic
Rank No. #5
8 Pack 2 Inch Square Plastic Plugs,Hydanle Insert End Caps for Square Heavy Duty Tubing Post
  • ✅Only seller "Danle" is the owner of brand "Hydanle", please recognize before place order. These heavy duty tubing post end caps Fits 2" OD square tubing (2"x2") with INSIDE hole diameters (ID) from1.85" to 1.9" and wall thickness of .02" - .079" Steel Pipe, package quantity 8
  • ✅Flexible ridges or straps snugly hold these square plastic tubing plugs in place
  • ✅The square plugs are made of black LD polyethylene, these high-grade plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on bench feet, bar stool foot sliders, patio furniture, table legs, chairs legs, metal bed legs, couch legs and much more
  • ✅ The caps for square tubing also give a finished sleek look for many small projects: Suitable for trailer frame ends, bike rack fittings, wrought iron steel, fence post toppers, luggage racks iend inserts, step ladder caps, gate rail post covers, Fitness Equipment ends,steel kayak rack end caps and any square tubing end caps
  • ✅ Easy to install 2"x2" plugs are also designed to hold up against impact abuse, and harsh weather conditions
SaleRank No. #6
Prescott Plastics 1 Inch Square Plastic Plug, Tubing Post End Cap, Chair Glide (10)
  • Fits 1" (One Inch) Od Square Tubing (1X1) With Inside Hole Diameters (Id) From 3/4" To 15/16" (75" - .93") and wall thickness of .042" - .122" (10-20 Gauge)
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg protectors, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 1"x1" snap in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
Rank No. #7
Prescott Plastics 1 1/2 Inch Square Black Vinyl End Cap, Flexible Pipe Post Rubber Cover ((A) Pack of 4 Caps)
  • Fits 1 1/2"" square tube or pipe (1.5x1.5 OUTSIDE diameter) & can stretch up to 1/16” larger for a snug fit without tearing or splitting. 1" deep / tall to provide a secure fit.
  • High-grade Prescott Plastics brand black soft PVC "rubber like" caps are made in the USA. Our caps are designed to hold up against impact abuse, and harsh weather conditions to provide years of protection.
  • Our flexable end caps work great for preventing scuffs on kitchen or wood floor, as pliable protective seal for metal chair tips, patio furniture, bench feet, table legs, bar stools, or to cover any square pole or hole.
  • These easy to install 1-1/2" inch push-on caps serve as a long-lasting solution for many household, outdoor, & marine boat dock projects including replacements for fencing railing posts, steel gate rail stopper, flexible rod / rebar or wrought iron tube caps, thread bolt screw or nut safety, hub cap sheath, or finishing any sqaure tubing.
Rank No. #8
1.5" Plastic End Caps (14-20 GA) 20 PK/Square Tubing End Caps, Chair Glides, Fence Post Caps, Fitness Equipment End Caps, by EZENDS.
  • Package quantity 20

  • ★  IMPORTANT  ★  Only fits square tube inside diameter 1.34 inch - 1.43 inch  

    Provides a flush sleek look when installed with square tube outside diameter 1.5 inch x 1.5 inch. Works with square tubing 14-20 gauge 

    . Has proof of size (11/2 x 11/2 - 14/20 G) embedded on the inside of plug

  • Designed with flexible ridges for easy install and multi fit range of fit

  • Provides protection while giving a finished sleek look for many small projects: chair glide floor protector, fitness equipment end caps, fence post end caps, tubing and pipe end caps 

  • Heavy duty black LD polyethylene, UV weather resistant, hardness durometer 50d, max temperature 150 degrees fahrenheit

Rank No. #9
Prescott Plastics 4 Inch Square Plastic Plug, Heavy Duty Tubing Post End Cap 4-9 GA (2)
  • Fits 4" OD square tubing (4x4) with INSIDE hole diameters (ID) from 3.53" to 3.67" (3 1/2" to 3 11/16") and wall thickness of .158-.240" (4-9 gauge)
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 4"x4" snap-in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
  • Made in USA with Heavy Duty Thick High Grade Plastic
Rank No. #10
Prescott Plastics 5 Inch Square Plastic Plug, Heavy Duty Tubing Post End Cap (1)
  • Fits 5" Od Square Tubing (5X5) With Inside Hole Diameters (Id) From 4.64" To 4.76" (4 5/8" To 4 3/4") And Wall Thickness Of .120" - .179" (7-11 gauge)
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 5"x5" snap-in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
Rank No. #11
Autmotive Authority 4" Square Rubber Bumper Plug End Cap Cover RV Camper Trailer - 2 Pack
  • One pair of rubber bumper plugs for a 4" square bumper
  • Cap has square hole in middle for air venting and to use for removing plug
  • This style bumper plug is used often on RV and trailers
  • Fits standard 4" square bumpers and will conceal sewer hoses
Rank No. #12
WeiMeet 170Pcs Rubber Grommet Firewall Hole Plug Set Car Electrical Wire Gasket Assorted Kit with Organizer Box for Car Machine Pump Water Pipe, 7 Different Sizes
  • Premium Material: These wire grommets are made of high quality soft rubber, practical and durable
  • 170 Pieces rubber grommets in 7 common sizes with clear organize box, very convenient for your daily use and storage. Enough quantities and size types for your choice
  • High quality rubber material features in heat-resisting, mineral oil-resisting, wear-resisting, safe and reliable
  • Applicable for cylinder, valve, pump, electrical appliance, chemical pipe, spray, water pipe, decoration, etc.
  • Package List: 50pcs 7.14mm, 40pcs 9.53mm, 30pcs 12.07mm, 20pcs 15.88mm, 10pcs 19.05mm, 10pcs 22.23mm, 10pcs 25.40mm
Rank No. #13
1 Inch Square Tubing End Caps (20 PK) (14-20 Gauge for Thinner Wall Tubing) Plastic Plugs/End Caps/Plastic End Caps/Plastic Plugs for Square Tubing/Black Plastic Square Plugs
  • Package quantity 20

    • ★  IMPORTANT  ★  Only fits square tube inside diameter .84 inch - .93 inch  ★  Provides a flush sleek look when installed with square tube outside diameter 1 inch x 1 inch. Works with square tubing 14-20 gauge ★ Has proof of size (1 SQ 14/20 ) embedded on the inside of cap plug
  • Designed with flexible ridges for easy install and multi fit range of fit

  • Provides long lasting protection while giving a finished sleek look for many small projects: chair glide floor protector, fitness equipment, fence post end caps, patio furniture leg tips, also replaces the need for welding sealed ends on steel, aluminum, iron, and alloy tubing or pipes. 

  •   Durable heavy duty high quality black LD polyethylene, UV weather resistant, hardness durometer 50d, max temperature 150 degrees fahrenheit

Rank No. #14
OGC (4 Pack) - 2 x 4 Inch Square Tubing for Plastic Plug Cap Cover Tube Durable Chair Glide Insert Finishing Plugs
  • Package of 4
  • High Grade Plastic (PE)
  • Fits tubing with outside diameter of 2" x 4"
  • Suitable for Gorilla Lifts, Fitness Equipment End Caps. Fencing Post End Caps. Furniture gliding caps
  • Not subject to rust or corrosion
Rank No. #15
Prescott Plastics 1 1/4 Inch Square Plastic Plug, Tubing Post End Cap, Chair Glide (4)
  • Fits 1-1/4" (1.25) Od Square Tubing (1.25X1.25) With Inside Hole Diameters (Id) From 1" To 1 3/16" (1.00" - 1.18") and wall thickness of .040" - .122" (10-20 Gauge)
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg protectors, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 1 1/4"x1 1/4" snap in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
Rank No. #16
10 Pack: (1.75" (1-3/4"), Square Plastic Plug, Tubing End Cap (14-20 G) for Inside Length 1.59"-1.68" Width 1.59"-1.68" | Furniture Chair Glide Inserts | Fencing Post End Inserts | by SBD
  • 10 Pack: (1.75" (1-3/4"), Square Plastic Plug, Tubing End Cap (14-20 G) for Inside Length 1.59"-1.68" Width 1.59"-1.68" | Furniture Chair Glide Inserts | Fencing Post End Inserts | by SBD
  • Please check your plug out side diameter and order correct size.
  • Suitable for thin gauge metal and plastic tubes. ID up to 1.68" SQ.
Rank No. #17
Prescott Plastics 1 x 2 Inch Rectangle Black Plastic Plug End Cap (8)
  • Fits 1 x 2" (1x2 inch) OD rectangle tubing (confirm you are measuring the outside, not the hole).
  • Prescott Plastics black oblong ribbed push fit plugs work great for preventing scuffs on kitchen or wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • These easy to install 2x1 inch snap-in rectangular plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any rectanlge opening.
Rank No. #18
(Pack of 10)2" Square Tubing Black Plastic Plug,2 Inch End Cap 2"x2" 2x2 Fence Post Pipe Cover Tube Chair Glide Insert Finishing Plug
  • PERFECT FIT: 2x2 plastic plug fits inside tube hole diameters (ID) from 1.74 to 1.83 Inch
  • PACKAGE:10 Pieces 2x2 square plug (14 - 20 Ga ) Black Plastic Tubing Plug , 2 Inch End Cap 2"x2"
  • EASY TO USE: Built with multiple ribs for easy install and secure fit
  • PERFORMANCE :For Fencing Posts,Furniture End Caps, Fitness Equipment End Caps
Rank No. #19
Prescott Plastics 2 Inch Square Plastic Plug, Heavy Duty Tubing Post End Cap (4)
  • Fits 2" (Two Inch) Od Square Tubing (2X2) With Inside Hole Diameters (Id) From 1 3/4" To 1 15/16" ( 1.75" To 1.93") And Wall Thickness Of .040" - .123" (10-20 Gauge)
  • These high-grade Prescott Plastics black ribbed plugs work great for preventing scuffs on wood floor or as protection glides on chair tips, bench feet, table legs, bar stool foot sliders, chair leg protectors, patio furniture inserts, and much more. They are also designed to hold up against impact abuse, and harsh weather conditions.
  • Easy to install 2"x2" snap-in plugs serve as a long-lasting solution for many household or outdoor projects including replacements for fence/fencing railing posts, gate rail post covers, trailer frame ends, pole pipe rod caps, metal bike rack fittings, wrought iron steel finishing plugs, or any sqaure opening.
Rank No. #20
SBDs (Pack of 4) 1-3/4” -1.75 Square Plastic Plug, 10 14 Ga for Inside ID 1.49"-1.58" Tubing End Cap | Furniture Chair Glide Inserts | Fencing Post End Inserts | Fitness Eqpt Caps
  • The size mention here refers to the Out side Diameter of the Top Cap (Not inside Diameter) Its suitable for ID range 1.49" to 1.58" on the flexible RIBS.

Last update on 2021-01-02 / Affiliate links / Images from Amazon Product Advertising API

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