Fast Prop Service: Allows quick and easy removal or replacement of propeller for maintenance, upgrades, or damage repair Complete Hardware Kit: Includes prop nut, drive pin, and lock washer for complete installation with all necessary components Small Motor Compatibility: Compatible with 3-1/4 inch and 3-5/8 inch diameter 12-volt and 24-volt trolling motors Marine-Grade Stainless Steel: Made with stainless steel hardware to resist corrosion in harsh marine fishing environments Secure Attachment: Ensures propeller is securely attached for reliable on-water performance and safe motor operation