1. workbench levelers Material: The product is made of carbon steel, with chrome plated surface treatment,The base has anti-skid pads . 2. adjustable feet size: Thread diameter is M12/0.47 inches. Screw length is 100mm/3.9 inches, and base diameter is 60mm/2.36 inches,Package Contains:4 x Leveling Feet. 3. adjustable feet levelers heavy advantages: Bear a load ofear a load of 1300lb. The base has non-slip pads to prevent the device from shaking on uneven ground and reduce vibration. 4. workbench leveling Scope of use: This cabinet foot adjuster can be used in families, offices, restaurants, workshops, tables, chairs, shelves, industrial equipment, various heavy machinery, food machinery, medical equipment, cabinets, etc., and other occasions that need leveling. 5. Installation and adjustable: First select a 12mm/0.47 inch tap drill bit and drill holes at the bottom of furniture or equipment, then screw the leveling device into the required height and level, stop swinging on uneven floors and reduce vibration.