(Pack of 4) - 1 1/2" - 1.5 Inch Square Black Plastic 14-20 Ga ( 1.35"-1.42" ID) Tubing Plug, End Cap -Steel Fence Post Pipe Tube Cover - Furniture sliding Inserts - End Caps for Fitness Equipment

(Pack of 4) - 1 1/2" - 1.5 Inch Square Black Plastic 14-20 Ga ( 1.35"-1.42" ID) Tubing Plug, End Cap -Steel Fence Post Pipe Tube Cover - Furniture sliding Inserts - End Caps for Fitness Equipment. Plugs for Square Tubing Square plugs feature a series of externally tapered ribs designed to accommodate a wide range of tubing gauges while also satisfying the fit adjustments on tubing with inside dimensional fluctuations. Exterior ribs are designed to provide a sure grip inside the tube Rib design prevents unsightly plastic shavings found on many straight wall glide installations Thick base is impact and abrasion resistant Durable construction and excellent gliding edges Will not rust or corrode Material: Low-density polyethyleneService Temperature: -94 - 175° F (-70 - 79° C)Standard Color: Black