The Oregon 183RNBD025 Power Match guide bar is a genuine Oregon replacement part designed for professional use. This robust guide bar features a 450 mm (18 inch) cutting length, a 3/8 inch chain pitch, and a 1.5 mm (0.058 inch) chain gauge. It is engineered with a D025 mount type, ensuring compatibility with various chainsaw models requiring this specific mounting pattern. The Power Match design is known for its durability and performance in demanding cutting applications, making it a reliable choice for maintaining optimal chainsaw operation.