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