Female-End Leveling Mount, Leveling Mount Type Swivel Boltless, Base Dia. 3 in, Height 1.63 in, Load Capacity 5,550 lb, Thread Size 3/4 In.-10, Construction Steel, Hex 1-1/16 in, Includes Jam Nut, Connection Type Boltless, Bolt Length Not Applicable, Finish Yellow Zinc-Plated, Base Material Steel, Thrust Pad Material Elastomer, Bolt Material Not Applicable, Swivel Angle 15 Degrees , Base Shape Round, Series Level-It, Base Steel w/ Non-Skid Pad, Socket Material Steel