Leveling Mount Leveling Mount Type Anti-Vibration Base Dia 2 1/2 in Height 4.44 in Load Capacity 4500 lb Thread Size 5/8 In.-11 Construction Steel Hex 7/8 in Includes 2 Locking Nuts Bolt Length 3 in Finish Clear Zinc-Plated Base Material Steel Thrust Pad Material Anti-Vibration Pad Anti-Vibration Yes Base Steel w/ Anti-Vibration Pad