Specifically made to fit with Quest Series trolling motors, the Minn Kota Power Prop MKP-40 has an advanced design that delivers optimal pushing power, torque, and efficiency. This Minn Kota trolling motor propeller comes with a prop pin, nut, and washer for easy installation. Fits with 4.25" Quest Series lower units. For use with 1" x 3/16" prop/drive pin, and prop nut thread 3/8"-24. Manufacturer 1-year warranty. Design delivers optimal pushing power, torque, and efficiency Fits Quest Series trolling motors Includes prop pin, nut, and washer