The MILWAUKEE® HATCHET™ 8" (203mm) Pruning Saw Bar is to be used with the Milwaukee M18 FUEL™ HATCHET™ 8" (203mm) Pruning Saw (M18FHS8) and HATCHET™ 8" (203mm) Pruning Saw Chain (49162750). With a bar length of 8" (203 mm), chain pitch of 3/8" (9.5 mm) Low Profile, and chain gauge of 0.043", the narrow kerf design delivers high efficiency for maximum runtime. The Pruning Saw Bar has a durable design and is weather resistant for maximum life.