Milwaukee's 6" Guide Bar is to be used with the MILWAUKEE® M12 FUEL™ HATCHET™ 6" Pruning Saw (2527-20). The bar length is 6", the pitch is 3/8" Low Profile, and the gauge is .043". The Narrow Kerf Design delivers maximum efficiency for longer run-time. The bar has a durable design and is weather resistant for increased life.