The 6" (152 mm) Pruning Saw Bar is to be used with the MILWAUKEE® M12 FUEL™ HATCHET™ 6" (152 mm) Pruning Saw (M12FHS-0). With bar length of 6" (152 mm), 3/8" Low Profile (9.5 mm) chain pitch, and chain gauge of 0.043" (1.1 mm), the narrow kerf design delivers maximum efficiency for long run-time. The Pruning Saw Bar has a durable design and is weather resistant for increased life.