The OEM Craftsman 18” / 42cc Chainsaw outer clutch sprocket inner clutch is a high-quality replacement part designed specifically for Craftsman chainsaws. Made of durable plastic, this handle is compatible with 2-stroke engine chainsaws and is powered by gasoline. Manufactured in the United States, this outer clutch sprocket inner clutch is a reliable and essential component for maintaining and repairing your Craftsman chainsaw, ensuring smooth and efficient operation for your yard, garden, and outdoor power equipment needs.