Product Size】These furniture feet levelers feature an M6 thread. Total height: 1", screw length: 0.6", base diameter: 1", and base thickness: 0.4". 【Durable Material】Made from galvanized steel with a black rubber non-slip base, these adjustable leveling feet are sturdy, rust-resistant, and long-lasting for reliable everyday use. 【Easy Installation】Simply pre-drill a 1/3" hole in the furniture leg, insert and secure the T-nut, then screw in and adjust the leveling foot with a wrench. For metal legs, install an M6 threaded insert before attaching the foot. 【Wide Application】Perfect for all types of floors—wood, laminate, tile, carpet, and more. Suitable for tables, chairs, desks, cabinets, chests, TV stands, and other furniture pieces.