High QualityThis office chair caster is made of plastic, sturdy and durable, and strong in load-bearing capacity. The bottom is non-slip, not afraid of the chair sliding. Professional PerformanceThe chairs glide castors can reduce the friction and noise when moving the chair. The leveling feet are equipped with wear-resistant foam pads, which can also effectively prevent sliding. Protect your FoorThe bottom is a wear-resistant sponge, which can not only protect your stools and chairs, but also protect your floor, and it is suitable for any type of floor. Product SizeThe replacement for castors bottom width of these bell glides is 2 inches, and the height is about 2 inches, which is suitable for most small casters. Widely UsedOffice chair replacement for castors .These chair wheels replacement gliders are very suitable for home or corporate offices, and can be used as replacement feet or installed in wooden furniture legs. Pack of 5 Bell Glides Replacement Office Chair Wheels Stopper Office Chair Swivel Caster Wheels, 2 Inch Chairs Glide Castors Glides Replacement Furniture Floor Gliders(Black)