2 Packs of Mute Wheel Replacement for PC Mobile Cart are designed to replace broken wheels and make a great upgrade to the cart ONLY compatible with our mobile cart, please reach out to us if you have any inquiry Swivel mute wheels enable 360-degree rotation, allowing easy mobility in any direction so you can transport your workstation smoothly and quietly Just insert the wheels to the base of cart and tighten the screws Overall Dimension(LxWxH) 2 15/16' x 2 3/16' x 3 1/4' (7.5 x 5.5 x 8.2 cm)