Dog Point Hand Knob Screw, Handle Type Knob, Handle Material Aluminum, Mounting Type External Thread, Thread Size 1/2 In.-13, Thread Standard UNC, Handle Dia. 1/4 in, Base Dia. 1/4 in, Overall Height 5 1/16 in, Screw Length 3 1/4 in, Inside Dia. 1.06 in, Overall Length 1/4 in, Standards TCMAI, Color Black, Features Dog Point, Package Quantity 2