This Sierra prop nut kit, model 18-3715, is a must-have for any Johnston, Evinrude, or OMC outboard engine owner. Made in Taiwan, this kit includes all the necessary components to properly secure your propeller and ensure optimal performance. With a brand name you can trust, this kit is designed for durability and reliability. Perfect for those looking to upgrade their current kit or replace a worn-out part, this Sierra prop nut kit is a valuable addition to any boat owner's toolkit.