Specifications of Our Office Chair Caster Wheels Stem size: 11 mm x 22 mm ( diameter x length ) Total height: 90 mm/ 3.54 in ( your chair will up about 3 inch height after installation) Wheel diameter: 75 mm / 2.95 in Total weight:1.25 kg/ 2.75 lbs Capacity:350 lbs max load weight Main Material: Polyurethane, steel ATTENSION PLEASE: the steam size of these office chair wheels is 11 mm x 22 mm ( diameter x length ), that will accommodate 95% office chair wheels in market. BUT DON’T WORK FOR ANY IKEA CHAIRS Please check the stem size of your original casters on office/gaming chair before you order this product Good luck. KEY FEATURES OF THESE CASTER WHEELS 1. EASY TO CLEAN, REMOVABLE SCREWS ON WHEELS NO PET HAIR OR HUMAN HAIR STUCK ANYMORE. You can remove pet hair from wheel easily. Durable and strong build steel frame. 2. SMOOTH AND SILENT MOVEMENT NO noise. Casters are smooth and quiet when office chair is rolling. You will feel very comfortable when you move office chair. No stuck. 3. SAFE FOR HARDWOOD FLOOR NO marks left on wooden floor. NO need chair mat anymore These casters wheels will be a game changer

Office Chair Casters Wheels Set of 5 3'' Heavy-Duty Smooth Silent Rollerblade Caster Wheels Replacement for Desk Gaming Chair Safe for All Floors Including Hardwood Floor Universal Fit Black