<p>O-ring dampens noise\/vibration and holds the nut in place. Stabilizes the propeller by providing a larger contact point. Trolling motor black prop nut of the traction machine lessens the noise and vibration of the propeller.</p> <p>Replacement of the support nuts and washers provides smoother, quieter, flex-free operation and reduces wear and tear on the trolling motor and battery. Additionally, it acts as a heatsink with built-in cooling ports to lower operating temperatures and extend battery life.</p> <p>Trolling motor black prop nut is machined from 6061 billet aluminum with anodized protection for durability. Trolling black prop nut built-in cooling port reduces the operating temperature and extends the life of the battery and tractor.</p> <p>Easy to install: no tools required. Easy-to-grip knurled edges. O-rings stabilize the propeller by providing a larger point of contact. Reduce propeller noise and vibration.</p> <p>Remove the existing propeller nut and washer. Hand-tighten the eliminator so that it fits snugly against the propeller face. Note: There is a spacer on the back of the eliminator that expand over time, so be sure not to overtighten it.</p> <p>Material: Made of high-quality aluminum billet with black anodized treatment, rust-proof and longer service life.</p> <p>Application:</p> <p>Compatible with:for GFEL-MG--DP </p> <p>Trolling motor black prop nut Compatible with Trolling Motor GFEL-MG-R-DP.(NOTE: not work with for and for Hydrilla Hacker Props.)</p> <p>Colour:Black</p> <p>Material:aluminum</p> <p>Package Contents:</p> <p>1 * Eliminator Trolling Motor Prop Nut</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>