A full set of 5 black caster wheels for your office chair. These wheels use a standard 7/16-inch sizing stem that simply snaps in where the old 1 snaps out, making them ideal as a full replacement set and suitable for almost all office chairs taking only minutes for replacement time. They also work on all types of other moving furniture like bakers rack, nightstand, cabinets and others that accept a 7/16 in. stem size. These quiet rolling castor wheels swivel a full 360 degrees easily and smoothly without clunky hang-ups or stuck wheels. Comes with 5 total wheels, 2 in. diameter twin wheel design the standard for most office chairs. The black plastic finish blends flawlessly with almost any type of chair. Perfect for home office, office, with or without chair mats. Contains set of 5 twin wheel caster wheels for office chair Universal 7/16 in. stems size works for almost every office chair Glides and swivels smoothly and quietly, perfect replacement set 72 lb. weight limit per wheel (standard set of 5 supports 363 lbs.) Features Item Weight 0.93 Wheel Material Plastic Thread Measurement 0 Features No Additional Features Color Black Color Family Blacks Package Quantity 5 Swivel/Rigid Swivel Returnable 180-Day Casters Product Type Stem Builders Hardware Product Type Casters Load capacity per caster (lb.) 72 Wheel Width (in.) 2 Product Width (in.) 2.5 Wheel Diameter (in.) 2 Product Height (in.) 5 Stem Width (in.) .43 Product Depth (in.) 6 Stem Length (in.) .8 Manufacturer Warranty 5 Years