Hand Knob Handle Type Fluted Tapered Handle Material Thermoset Mounting Type Threaded Insert Thread Size 1/4 In.-20 Thread Standard UNC Handle Dia 1-1/8 in Base Dia 1-1/8 in Overall Height 3-7/8 in Screw Length 1/2 in Overall Length 3.89 in Tap Type Blind Hole Standards H.H. Brass Thread Type UNC Color Black Features General Equipment and Other Industrial Applications Industrial Machinery Medical Equipment Finish High Gloss