I dont know if this prop is good or working. There is one ding In one of the blades. There are 2 close up pictures included. Selling as parts only. The Stiletto Stainless Boat Prop 30217 Y1417 is a high-quality propeller designed for Yamaha and Mercury. As a trusted brand in boat parts, Stiletto ensures reliable performance without offering a warranty. This prop is a perfect choice for those looking to enhance the performance of their boat with a trusted and proven product.