Leveling Mount, Leveling Mount Type Swiveling Stud, Base Dia. 4 in, Height 7.31 in, Load Capacity 6000 lb, Thread Size 5/8 In.-11, Construction Steel, Hex 7/8 in, Includes Locking Nut, Bolt Length 6 in, Finish Clear Zinc-Plated, Base Material Nylon, Base Nylon