Leveling Mount Leveling Mount Type Swiveling Stud Base Dia 4 in Height 5.5 in Load Capacity 2400 lb Thread Size 1 In.-8 Construction Steel Hex 1-3/8 in Includes Locking Nut Bolt Length 3.5 in Finish Yellow Zinc-Plated Base Material Delrin(R) Thrust Pad Material Non-Skid Pad Base Delrin(R) w/ Non-Skid Pad