Hand Knob Handle Type 4 Point Handle Material Stainless Steel Mounting Type Unthreaded Reamed Hole Thread Size 5/16 Handle Dia 1.5700 in Base Dia 35/64 in Overall Height 63/64 in Screw Length 0.51 in Inside Dia 5/16 in Overall Length 1.57 in Tap Type Through Hole Thread Type UNC Color Silver Finish Polished