Size:2inchesWheel Diameter: 47mmMounting Height: 58mmScrew size: M6 x 15mmLoad Capacity:4 x Castors 80 kg/176 lbPackage Contents:4 x Swivel Casters with BrakeProduct DescriptionGet smooth, quiet rolling and full swivel action all while protecting your floors. Eliminate the need for big plastic floor mats over your beautiful floors. Our safe casters are the office wheels of the future. Perfect as a set of replacement caster wheels for home or office chairs that have hard, noisy, rough plastic wheels. Perfect for home or office use.Easy to installScratches, scuffs, stuck wheels and noisy squeaks will be a thing of the past with our caster wheels on your chairs. Install them quickly and easily (no tools required) simply pull off the old and snap in the new and you’re ready for sturdy support and stylish presentation.Matters needing attention:Manually measure the size,Since the measurement method has an error of 1~2mm, please refer to the actual product,Photos are taken in kind,There may be a slight chromatic aberration between the product and the image due to differences in display, lighting, and personal color,Please refer to the actual product.