The Oregon D66 Advancecut 18-inch Chainsaw Chain is a high-quality replacement chain designed for 2-stroke gasoline chainsaws. It is compatible with brands like Craftsman and fits a variety of chainsaw models, including Echo, Poulan, and McCulloch. With a power source of gasoline and a horse power of 1 HP, this chain is easy to install and is a reliable option for maintaining your yard, garden, or outdoor living space. This pack includes 1 chain, making it a convenient solution for keeping your chainsaw in top condition for all your outdoor tasks.