2-Piece Steel Stem Plastic Bed Frame Glide Legs, Set of 4 Glides are recommended for wood, tile, and other hard surface floors. 3/8" Diameter Stem, 2 1/2" Wide at Base, Overall Height is 4", Installed Height is 2-3/4" Designed to replace bed frame wheels - Pop out your casters, pop these in. These are a very common leg on bed frames, and can be used to replace lost or damaged ones. Packaged as a set of 4 complete legs (4 tops, 4 bottoms).