【Premium Material】The casters are made of quality TPE rubber material and carbon steel, thick and sturdy, wear resistance, good loading capacity 【Silent Style】Directional fixed small caster, silent, providing a quiet and good environment, ensuring a noise free experience while protecting your floors from scratches 【Widely Uses】The furniture castors are small, which is suitable for small devices of all kinds, Suitable for use with lightweight furniture such as coffee tables, shoe racks, and storage cabinets 【 Non Swivel Wheel Casters】Small rubber caster equipped with thicker plates and can move furniture smoothly and quietly, suitable for various floor environments due to their elastic soft rubber composition 【Widely Applications】Furniture linear wheel can be used shopping carts, workbench, shelves, small furniture, table, chair, cupboard, etc. Specification: Material: Tpe Rubber, Carbon Steel Size Chart: Wheel Diameter: 2cm/0.79inch Package Includes: 4 Furniture Linear Wheels (Only Includes Wheels) Note: Please allow slightly errors due to manual measurement and different monitors.