Hand Knob, Handle Type Star, Handle Material Thermoplastic, Mounting Type Threaded Stud, Thread Size 1/2 In.-13, Thread Standard UNC, Handle Dia. 63.00mm, Base Dia. 26.00mm, Overall Height 40 mm, Screw Length 60.00 mm, Overall Length 63 mm, Tap Type Not Applicable, Includes -, Standards DIN 6336, Thread Type UNC, Color Black, Features Trivalent Blue Passivated Screw, Finish Matte