Ongaro Throttle Knob - 1-1/2 - Red Grooves - 50020 Waterproof Marine Accessories This design ensures the pump

This design ensures the pump can run cooler and longer than standard consumer-grade pumps

The bar offers the same quality extruded aluminum housing and unbreakable polycarbonate lens as other RIGID products

Manufacturer Part No : 636-140

Screw Size: 6

Can be used as becket block

Ongaro Throttle Knob - 1-1/2 - Red Grooves - 50020 Waterproof Marine Accessories This design ensures the pumpOngaro Throttle Knob 1 1 2 Red Grooves 50020 1 1 2 Throttle Knob Red Grooves 316 Cast Stainless Steel 1 1 2 Throttle Control Knobs Fit Morse MY 3, MV 2, Twin and Single Controls with 3 8 24 Threads Throttle Knobs are colored for Sight and Grooved for Feel Meets ABYC Specifications