The Oregon 120SXEA074 Pro-Am chainsaw guide bar is a genuine Oregon replacement part, engineered for optimal performance with 91 series chainsaw chains. This 12-inch (30 cm) guide bar features a 0.050-inch (1.3 mm) gauge and a 3/8-inch low profile pitch, ensuring precise cutting and durability. It utilizes an A074 mount, making it compatible with various chainsaw models. The Pro-Am series is known for its robust construction and reliability, providing excellent control and maneuverability for professional and demanding homeowner use. This guide bar is designed to withstand rigorous cutting tasks, offering a smooth and efficient cutting experience.