The 38mm Piston Ring Crank Ball Bearing Oil Seals Kit is an essential accessory for motorcycle enthusiasts or those maintaining chainsaws. It is specifically designed to fit various models, including 36, 136, 136LE, 137, and 137e chainsaws, ensuring a perfect fit. These high-quality oil seals are made from durable materials, making them suitable for heavy-duty use. The kit includes multiple oil seals of different sizes, allowing for quick and easy installation while ensuring the engine runs smoothly and efficiently. Moreover, this product is great for oil seal replacement, which is crucial for maintaining the longevity and performance of your chainsaw engine. Invest in this kit for a hassle-free and secure chainsaw maintenance experience.