Hand Knob, Handle Type T, Handle Material Polypropylene, Steel, Mounting Type External Thread, Thread Size 5/16 In.-18, Handle Dia. 2-1/4 in, Base Dia. 3/4 in, Overall Height 1-3/8 in, Screw Length 3/4 in, Thread Type Stud, Color Black, Finish Zinc Plated Component