The Oregon 556288 is a genuine Oregon PowerCut chainsaw bar and chain combo kit, designed for professional-grade cutting performance. This comprehensive kit includes one 188SFHD009 18-inch (457.2 mm) PowerCut guide bar featuring a D009 mount, along with two 73DPX068E PowerCut saw chains. Each chain has a 3/8-inch pitch, 0.058-inch (1.47 mm) gauge, and 68 drive links, ensuring optimal compatibility and efficient operation with various high-performance chainsaws. This combo kit provides durable and reliable components for demanding forestry and logging applications.