10 Pieces 2 Inch square tubing end caps; Fits 2 inch(two inch) OD square tubing (2x2 inch) These high-grade 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 Easy to install 2"x2" snap-in plugs 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