100 1.25" x 1.25" OD Square Ribbed Tubing Plug Insert Glide End Caps 14-20 ga Color:Black These have rounded horsetrack shaped

These have rounded horsetrack shaped ends

For use on any flooring surface

2-1/8" x 3/4" Racetrack shaped insert rectangular sling rail end caps

Markers are quick-drying waterproof scrub-resistant safe and non-toxic

Mounting Screws Included

100 1.25" x 1.25" OD Square Ribbed Tubing Plug Insert Glide End Caps 14-20 ga Color:Black These have rounded horsetrack shapedHeavy wall polyethylene plugs for standard rectangular tubing are designed to fit multiple tube gauges and provide a secure fit. Poly tube plugs are ideal for office and patio furniture tubular racks appliances exercise equipment or anywhere a finished look is needed. Tube plugs include multiple horizontal ribs designed with built in flexibility for an easy install and a secure fit. Multiple ribs for a secure fit and heavy end walls for durability and