Hand Knob, Handle Type Star, Handle Material Thermoplastic, Mounting Type Threaded Stud, Thread Size M6, Handle Dia. 25.00mm, Base Dia. 12.00mm, Overall Height 16 mm, Screw Length 40.00 mm, Overall Length 25 mm, Tap Type Not Applicable, Includes -, Standards DIN 6336, Color Black, Features Trivalent Blue Passivated Screw, Finish Matte