Hand Knob Handle Type Star Handle Material Steel Thermoplastic Mounting Type Threaded Bushing Thread Size 5/16 In.-18 Thread Standard UNC Handle Dia 50.00mm Base Dia 19.00mm Overall Height 32.00mm Screw Length 18.00 mm Overall Length 1.26 in Tap Type Blind Hole Includes - Standards RoHS Thread Type UNC Color Black Finish Matte