The wheels can be widely used indoor and outdoor, trolleys, workbench, furniture, shelves and other items commonly found in workshops, garages, kitchens, offices etc.◆High-quality materials and complete durability. Stylish and lightweight design, easy to carry.◆Features: silent, shock absorption, dustproof, stable, and labor-saving.◆360 degree rotation, ball bearing, flexible and stable. The brake can stop freely and easily switch to any direction required.◆The casters are very suitable for small equipment and furniture, dining tables, folding tables, mobile carts, work tables, cribs, flower stands, tool boxes, etc.【Product Specifications】Material: nylon casters, high-quality cold-rolled steel mounting plateType: U-shaped bracketWheel diameter: 1 inch/25 mmU-shaped bracket size: 32x27.5mmThe inner diameter of the U-shaped bracket: 16mm, 18mmInstallation height: 39 mmTotal height: 66.5 mmLoad capacity: 4 casters with a load capacity of 50 kgPackage includes: 4 casters + screws【note】◆All products are measured manually. Due to the shooting angle, light and viewing angle, there will inevitably be slight errors and chromatic aberrations. Thank you for your understanding.★Welcome to my small shop, this shop is a home furnishing shop, which contains the items we need in our life, I hope you can choose what you like, I wish you a happy shopping!