Leveling Mount, Leveling Mount Type Anti-Vibration, Base Dia. 2 1/2 in, Height 3.88 in, Load Capacity 900 lb, Thread Size 5/8 In.-11, Construction Steel, Hex 7/8 in, Includes Locking Nut, Bolt Length 2 in, Finish Yellow Zinc-Plated, Base Material Steel, Thrust Pad Material Anti-Vibration Pad, Anti-Vibration Yes, Base Steel w/ Anti-Vibration Pad