Description: Perfect casters with brakes(2 with brakes, 2 without brakes) for small equipment and small space furniture including coffee table, plant stands, bookshelves, shoe bins, shopping carts, workbench. Soft rubber wheels offer the toughness and durability. It is suitable for all floor types. Specifications: Wheel Diameter: 25mm / 1.0inch. Capacity: 11kg / 24lb per wheel. Style : Swivel with brake, Threaded Stem. Install Type: Threaded Stem. Thread Diameter: 5.8mm / 0.22inch. Thread Length: 15mm / 0.59inch. Wheel Material: Soft rubber & TPE. Color: Coffee. Package Include: 4 x M6 Threaded Stem Caster Wheels with Brakes. Note： Each caster capacity is 11kg/24lb, total capacity for all 4 casters is 33kg (calculated by 3 casters ). Because when the ground is uneven, there will be only 3 casters bearing weight.Not equipped wrench tool.