[Material]: The wheels are made of soft rubber and PTE material, high strength and durability. Suitable for all kinds of floors. [Application]: Can be used on small equipment and small furniture, including coffee tables, trolleys, shelves, plant stands, workbenches, shoe cabinets, toy boxes, etc. [Package]: The package includes: 2 threaded casters with brakes + 2 threaded casters without brakes. Size: Wheel diameter: 25mm Thread diameter: 8mm Thread length: 20mm High-quality materials: The wheels are made of soft rubber and PTE material, strong and durable. Suitable for all types of floors. Best applicability: Can be used on small appliances and small furniture, including coffee tables, shopping carts, bookshelves, plant stands, workbenches, shoe cabinets, toy cabinets, etc. Specifications: Material: soft rubber and TPE Color: silver + brown