Feature●Wheel Diameter: 25mm / 1 inch ; Capacity: 15kg / 33lb per wheel; Style: Swivel without Brake●Thread Diameter: M6/6mm / 0.236inch ; Thread Length: 15mm / 0.59inch●Perfect casters for small equipment and small space furniture including coffee table, plant stands, bookshelves, shoe bins, shopping carts, workbench; Note: These Casters are mini small type, please kindly check the Size before order, thank you●Install Type: Threaded Stem; Soft rubber &pte material wheels offer the toughness and durability. Suitable for all floor types●Package Content: 4 x M6 Threaded Stem Caster.Not equipped wrench tool.Description