The 2set Bearing Oil Seal Kit is an essential tool for anyone working on MS180, MS170, 018, 017, 9503, 0311/9638, 003, or 1581 chainsaw crankshafts. This kit includes high-quality bearings and oil seals, ensuring optimal performance and longevity. The seals are designed to fit a variety of crankshaft designs, allowing you to maintain or replace seals in a single purchase. With its compact and easy-to-use design, this kit is perfect for both professional mechanics and DIY enthusiasts. Trust this kit to provide reliable results, reducing the need for expensive and time-consuming repairs.