Leveling Mount, Leveling Mount Type Fixed Stud, Base Dia. 3.19 in, Height 5.13 in, Load Capacity 500 lb, Thread Size 1/2 In.-13, Construction Steel, Bolt Length 4 in, Finish Clear Zinc-Plated, Base Material Steel, Thrust Pad Material Non-Skid Rubber, Base Non-Skid Rubber