Product Specifications:Name: mute home brake splint casterMaterial: rubber wheels, high-quality cold-rolled steel mounting plateType: U-shaped bracketProduct features: thick chrome rust-proof bracket, TPE mute rubber surround, dust cover design, brake buttonSize:Wheel diameter: 2 inch / 50 mmU-shaped plate spacing: 16mm,18mm, 20mm, 22mm, 25mmInstallation height: 65.5mmU-shaped plate size: 38X33.5mmInstallation aperture:5mmLoad capacity: 4 casters, load capacity is 80 kgPackage includes: 4 castersAdvantages of casters:1.The splint brake mute caster 360° rotation.2.The soft rubber wheel provides toughness and durability. Suitable for all floor types. 3.If your furniture has wheels, you will be able to move them easily when you move or clean.4.It is very suitable for moving small equipment and small space furniture, including coffee table, plant shelf, book shelf, shoe cabinet, toy box, shopping cart and workbench.prompt:1. Due to the different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you!2. Please allow slight dimension difference due to different manual measurement.