The Oregon 8873D guide bar is a high-performance 50cm (20 inch) replacement part designed for professional chainsaws. Featuring a 3/8" pitch and .050" (1.3mm) gauge, this guide bar ensures optimal cutting efficiency and durability. It is compatible with chains requiring 72 drive links and utilizes a D009 mount type, making it suitable for various Husqvarna and Jonsered models. This genuine Oregon guide bar is engineered for demanding cutting tasks, providing reliable and consistent performance.