The MILWAUKEE 10 Pole Saw Guide Bar is to be used with the Milwaukee M18 FUEL 10 Pole Saw w/ QUIK-LOK (2825-20PS), M18 FUEL QUIK-LOK 10 Pole Saw Attachment (49-16-2720) and 10 Pole Saw Chain (49-16-2723). The bar length is 10, the pitch is 3/8 Low Profile, and the gauge is .043. The Narrow Kerf Design delivers maximum efficiency for longer run-time. The saw chain guide bar has a durable design and is weather-resistant for increased life.