Silent and smooth rolling: durable casters made of high-tech elastic polyurethane, internal bearings roll quickly, the surface is smooth, will not jam bread crumbs and *, and will not damage the floor.
Heavy duty casters – the steel structure body is very wear-resistant and stain resistant, with a capacity of 600 pounds (about 294.8 kg), can accommodate five 3-inch casters, and can be widely used in most chairs and other furniture with English device stem 3 / 8 inch (about 1.9 cm).
Suitable for most chairs: the soft polyurethane chair roller is suitable for 95% office chairs. It is very suitable for standard Herman Miller Allen chair, tall office chair, * chair, epic game chair, z-chair, basic middle back office chair, etc.