-18, Thread Standard UNC, Screw Length 35/64 in, Overall Height 1-1/2 in, Overall Length 3.Adjustable Handle, Handle Type Straight, Handle Material Zinc, Components Material Steel, Color Black, Thread Size 5/16 In.1500 in, Thread Type Internal, Standards REACH, RoHS, Mounting Type Internal Threads, Finish - Machining Powder Coated.