Hand Knob Handle Type T Handle Material Steel Thermoset Mounting Type External Thread Thread Size 1/4 In.-20 Thread Standard UNC Handle Dia 2-1/2 in Base Dia 3/4 in Overall Height 1-1/8 in Screw Length 1 in Overall Length 2.13 in Standards Steel Zinc Plated Thread Type UNC Color Black Finish High Gloss Zinc Plated Component