100 % new replacement propeller nut. Replace the old, broken or defective propeller nut directly. Perfectly adapted to the Yamaha 4HP 5HP. Spare part number: 647-45616-01 Color: Black Material: Plastic Size: 30x30mm Packaging content: 1 * Helic nut only the content of the above packaging, the other products are not included. Note: A light shooting and different displays can make the color of the element of the image slightly different from reality. The authorized measurement error is +/- 1-3 cm.