Leveling Mount, Leveling Mount Type Swiveling Stud, Base Dia. 4 in, Height 7.38 in, Load Capacity 4500 lb, Thread Size M16, Construction Steel, Hex 7/8 in, Includes Locking Nut, Bolt Length 6 in, Finish Clear Zinc-Plated, Base Material Nylon, Thrust Pad Material Non-Skid Pad, Base Nylon w/ Non-Skid Pad