PROTECT YOUR FLOORS:Office chair wheels for wood floors,unlike traditional plastic casters, these high-quality soft polyurethane casters can roll on any type of floor includes hardwood and carpet without any scratches. Universal size stem of 7/16" (11mm) x 7/8" (22mm) that will fit most chairs (IMPORTANT: NOT compatible with IKEA chairs).NO NOISE: Our replacement chair wheels have two precise bearings and a wheel-shell made of soft polyurethane ensure fast and quiet office chair wheel-rolling on any surface - without any noise. Practically without effort, you can change the chair's direction of movement thanks to the third precision bearing in the wheel's turning mechanism.CASTERS YOU CAN KEEP FOR LIFE: Innovative roller skates technology for office chair casters. Heavy-duty chair wheels solid steel stem and frame, and a strong plastic rim that withstands loads up to 650 lbs. Risk-free with free return for any reason.COOL - MODERN - ATTRACTIVE: These gorgeous Office Casters Wheels with clear, see-through wheels will turn your favorite home office chair into attractive, modern furniture. Our replacement casters wheels are the absolute best upgrade among many office chair accessories.HONEST BRAND - 100% SATISFACTION. We will return your money upon your request if you won't like our Office Caster Wheels or they were not what you were looking for. you can order our premium heavy duty office chair casters right now - with NO RISK at all!