5-Pack 3-Inch Universal Swivel Caster Wheels - Heavy Duty Rubber Replacement Rollers for Office Chairs, Furniture & Mobility Equipment - Noise Reducing, Non-Marking Floor Protectors (10mm Stem) - Perfect for Home Office, Conference Rooms, Hospitals & Warehouse Use

Description:Material: Steel & RubberWheel diameter 75mm 3) , 63mm(2.5")Stem Length: About 22mm (7/8 inch)Stem Diameter: Approx 10-11mm (7/16 inch) (Look at the picture)Color: Black With TransparentUsage: office chair, home chairQuantity: 1PC/5PCSSpecifications:100% and office chair rubber caster wheelHeavy Duty & Safe fit all office chair bases with mounting holesEnhances weight distribution and smooth operation ease to glide and swivelSwivel and roll freely and more quietly in every direction with no need for maintenanceSoft roll rubber wheel surface guaranteed to leave no mark on carpets or any kind of natural and engineered wood floor tile floor specialty floor, and smooth concrete/asphalt floorEasy fitPackage Included:1PC/5PCS Universal Mute WheelsEasy to operate.