5PCS Replacement Casters for Office Chairs 11x22mm (with Brakes), Replacement Wheels for Office Chairs, Silent Casters for 360° Swivel Chairs, Chair Wheels to Protect Your Floor

【Heavy-Duty Chair Casters with Unique Brake System】: 5 casters included. Each caster is very durable, 6.35cm in diameter, and fits most office chairs. They feature a brake system to help you control the caster when you want to stop it rolling. 【Smooth and Quiet Rolling】: You can move easily in your chair at the office or at home thanks to the high-precision ball bearings and axle of the caster. There will be no squeaking. 【Easy to Install】: Simply remove the old casters from the chair. Then firmly insert the new casters and ensure they are securely held by the chair. The included screwdriver will make insertion easier. 【Universal Fit】: Our office chair casters are designed according to industry standards. They fit virtually all office chairs on the market. 【Won't damage any floor】: Move around in your chair at the office or at home without worrying about scratching or damaging your floor. The casters won't damage any type of flooring, including tile, carpet, and hardwood.