Soft-Tread-Casters-For-Hard-Surface-Floors
These casters from Nu-Source are made of soft tread in order to prevent damages on hard surfaces such as hardwood, ceramic and marble floors. Fits all standard office chairs and holds weight up to 375 lbs (170 kg). Not suitable for cork floors. Contact your floor manufacturer's guidelines for compatibility if necessary. No chair mat required. Each caster is 2 inches in diameter and has twin wheels for easy mobility. Five casters per pack.