Hand Knob Handle Type 4 Point Handle Material Polypropylene Mounting Type Hex Hole for Bolts/Cap Screws/Nuts Thread Size M10 Handle Dia 2-1/2 in Base Dia 63/64 in Overall Height 1 in Inside Dia 10.00mm Tap Type Through Hole Color Black Features Fixtures and Unusual Length Fasteners Jigs MRO Prototypes Finish Matte