Male-End Leveling Mount, Leveling Mount Type Swiveling Stud, Base Dia. 3 in, Height 5.25 in, Load Capacity 5,000 lb, Thread Size 3/8 In.-16, Construction Stainless Steel, Hex 3/4 in, Includes Jam Nut, Connection Type Threaded Stud, Bolt Length 4 in, Finish Plain, Base Material Nylon, Thrust Pad Material Rubber, Bolt Material Stainless Steel, Swivel Angle 15 Degrees, Base Shape Round, Anti-Vibration Yes, Series PolyMount, Base Nylon w/ Non-Skid Pad, Socket Material Not Applicable.