Leveling Mount, Leveling Mount Type Swiveling Stud, Base Dia. 1 1/4 in, Height 4.88 in, Load Capacity 300 lb, Thread Size 3/8 In.-16, Construction Steel, Hex 5/8 in, Includes Locking Nut, Bolt Length 4 in, Finish Yellow Zinc-Plated, Base Material Delrin(R), Base Delrin(R)