The Oregon 27850 AdvanceCut Guide 20” Bar and Chain D70 Chainsaw is a high-quality replacement chain and guide bar designed for gasoline-powered chainsaws. This product is specifically designed for Oregon chainsaws, with a 20-inch guide bar length and a durable gray color. The pack includes 1 chain and is compatible with various chainsaw models. The Oregon brand ensures reliability and performance, making this a great choice for maintaining your yard and garden.