Bob’s Machine Trolling Motor Prop NutBob’s Machine Trolling Motor Prop Nuts are balanced, durable, and reduce noise and vibrations from trolling motors. This model is designed to fit Minnkota trolling motors 80lbs. and up. These prop nuts feature a powder coat finish that is bright and durable. Exclusive to Bob’s Machine brand prop nuts, these prop nuts feature a center hole to access the shaft in the event of shear-pin failure. Additionally, this prop nut requires no tools to remove the trolling motor propeller, making it easier to clear fishing line or weeds on the water. With over 25% more mass than other units on the market, Bob’s prop nuts deliver quieter trolling.Features:Fits Minnkota trolling motors 80 lbs. and upRequires no tools to remove trolling motor propellerOver 25% more mass for quieter trollingCenter hole allows access to shaft in event of shear-pin failureGloss black powder coat finishMade in the USA