Leveling Mount, Leveling Mount Type Swiveling Stud, Base Dia. 4 in, Height 5.38 in, Load Capacity 4500 lb, Thread Size 5/8 In.-11, Construction Stainless Steel, Hex 7/8 in, Includes Locking Nut, Connection Type Threaded Stud, Bolt Length 4 in, Finish Stainless Steel, Base Material Nylon, Thrust Pad Material Non-Skid Pad, Bolt Material Stainless Steel, Base Nylon w/ Non-Skid Pad, Socket Material Not Applicable