Leveling Mount Leveling Mount Type Swiveling Stud Base Dia 4 in Height 5.5 in Load Capacity 20 000 lb Thread Size 1 In.-8 Construction Steel Hex 1-3/8 in Includes Locking Nut Bolt Length 3.5 in Finish Nickel-Plated Base Material Steel Thrust Pad Material Non-Skid Pad Base Steel w/ Non-Skid Pad