A full set of 5 black caster wheels for your office chair. These wheels use a standard 0.43" sizing stem that simply snaps in where the old one 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 0.43" 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" 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.