Square Plastic Tubing Plugs ? Multiple Sizes Pack Options Pack Options: Available in 12 / 24 packs. Size Options: 1/2", 3/4", 1", 1 1/4", 1 3/8", 1 1/2", 1 3/4", 2". Material: Black LDPE, strong and durable. Thickness Compatibility: Fits tube walls 14-20 gauge. Designed to fit square tubes with outside dimensions matching plug size. Built-in ribs for secure, easy installation. Waterproof, dustproof, anti-slip, and chemical-resistant. Ideal for furniture legs, chair glides, patio sets, wrought iron, appliances, exercise equipment, pipe racks, and more. Provides a clean, finished look while protecting edges. Easy to install by hand or with a mallet. Important Notes: Plug insert end is 1/8" smaller than OD for a snug fit. Measure tube dimensions carefully to ensure proper sizing. Finish: Black matte. Use the dropdown to select size and pack quantity. Ships Fast Free Shipping Free Shipping via USPS Ground Advantage, or Priority Mail on large or heavy orders. Orders are generally shipped same day or next on weekdays. Returns We accept return within 30 days from the receipt of the item for refund. Similar items 5/16" x 3 1/2" Thumb Screw Bolts Black Fluted Clamping Knob Stainless Steel $13.59 3/8" ID Rubber Flat Washers 1 1/4" OD Oil Resistant 1/4" Thick Spacer Gaskets $16.79 3/8" ID Rubber Flat Washers 1" OD x 1/8" Thick Spacers Seal Gasket 3/8 x 1 x 1/8 $16.59 1/4"-20 x 1" Thumb Screws T Bolts Black Tee Wing Hand Knob 4 Pack Stainless $12.39 Guitar Amp Feet 1/2" Tall Heavy Duty 1 1/4" Dia Round Replacement Feet 4 Pack $12.79 M4 x 8mm Knurled Thumb Screws Bolts Black Clamping Knob 304 Stainless Steel 4mm $14.29 25mm Rubber Panel Knockout Plug Grommets for 3mm Groove 32mm OD Top Flange $12.89 5/16" Rubber Panel Hole Plugs Solid Rubber Grommet Flush Covers for 5/32" Panels $14.39 Guitar Amp Knob Black Chicken Head w/ Metal Insert and Set Screw for 1/4" Shaft $11.95 1 1/4" Wide x 5/8" Tall Round Guitar Amp Feet Rubber Bumpers Equipment Stands $16.49 1/4"-28 x 1" Fine Thread Stainless Thumb Screw Bolts Black Knurled Round Knob 4p $14.39 3/4" Panel Hole Rubber Wire Grommets 1/2" ID for 3/16" Thick Groove 12 Pack $15.95 3/4" Panel Hole Grommet Flush Plugs Knockout Cover Seals 1/8" Thick Wall 10 Pack $13.59 1/2" ID Rubber Panel Hole Plug for 1/8" Thick Wall 5/8" OD Solid Grommet 10 Pack $12.39 7/8" Rubber Panel Knockout Plug Grommets for 1/16? Thick Wall 1 1/8" OD 10 Pack $12.59 M8 x 40mm Thumb Screw Bolts Black Round Clamping Knob Stainless Steel 4 Pack $15.49 Add suggested items to your listings - Check it out on 3Dsellers.com listing template by 3Dsellers.com - Try for Free!