Fitment: Works with MinnKota 35-70lb models. Function: Designed to reduce propeller noise and vibration; stabilizes the propeller by increasing contact surface area. Great Design: This Eliminator Prop Nut acts as a heat sink and features built-in cooling ports to reduce operating temperature, helping extend battery and trolling motor life. No tools required, with an easy-to-grip knurled edge design. Superior Material: Machined from 6061 billet aluminum with an anodized red finish for corrosion resistance and long-lasting performance. Color: Black Material: Metal Package Contents: 1 x Motor Prop Nut (only the items listed are included; others in images are not included) Note: Lighting and monitor settings may cause slight color variations between the product and the image. Measurement may vary by +/- 1-3 cm.