Hand Knob Handle Type Fluted Handle Material Polypropylene Mounting Type Hex Hole for Bolts/Cap Screws/Nuts Thread Size 5/16 in Handle Dia 1-3/4 in Base Dia 1-1/4 in Overall Height 55/64 in Inside Dia 5/16 in Tap Type Through Hole Features Fixtures and Unusual Length Fasteners Jigs MRO Prototypes Finish Matte