Fitment: Works for MinnKota 35-70lb Models.Function: Designed to lessen prop noise and vibration; Stabilizes the prop by providing a larger contact .Great Design: This Eliminator Prop Nut acts as a heat sink, it has built-in cooling ports that reduce the operating temperature for battery and trolling motor life. No tools needed with easy to grip knurled edge design.Superior Material: Machined from 6061 Billet Aluminum anodized red finish, anti-rust, providing a long-term service.Colour: blackMaterial: metalPackage Contents:1 x Motor Prop NutOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.