The Oregon 203ATMD025 Pro-Lite Guide Bar is a 20-inch (508 mm) laminated guide bar designed for professional and occasional users. Featuring a 3/8-inch pitch and .050-inch (1.27 mm) gauge, it is compatible with chains requiring 72 drive links. This guide bar utilizes the D025 mount pattern, commonly found on various Husqvarna, Jonsered, and other chainsaw models, offering excellent maneuverability and reduced fatigue. Its slim contour and standard nose design ensure reliable performance for a wide range of cutting tasks.