Oregon Chain 3/8", 1.3 mm, 53 driving links, PowerSharp + whetstone

With the PowerSharp System, you can quickly and easily sharpen your chain directly on the saw. It includes the 91PS PowerSharp chain, a special PowerSharp guide bar, and the PowerSharp sharpening device. Sharpen the 91PS chain in no time. From dull to sharp in just three seconds with this easy-to-use precision sharpening system. With the unique sharpening attachment, you can sharpen your chain in three simple steps. The portable sharpening device is lightweight and durable. Achieve precise sharpening results through exact geometry between the cutter and grinding surface, ensuring the perfect angle and razor-sharp edges. It stays sharp three times longer than a 91PX saw chain. Features and benefits: Lubritec keeps the chain and bar lubricated for less friction and a longer lifespan.