This Ryobi PTS01B ONE+ HP 18V Brushless Cordless 6-1/2 in. Track Saw, combines a powerful brushless motor, advanced electronics, and HIGH PERFORMANCE lithium-ion batteries to deliver up to 260 linear feet of cutting per charge, when paired with a 4.0 Ah HIGH PERFORMANCE battery. Combine (2) 27.5 in. included tracks for up to 55 in. of controlled, accurate cuts, and add additional tracks for extended continuous cutting. This saw can make -1° to 48° bevel cuts and has a 1-15/16 in. depth of cut capacity at 90° (with track). Make controlled and accurate cuts quickly, with up to 4,300 RPM. Cut with confidence, as this saw comes equipped with an adjustable depth control switch and depth scale for precise score and plunge cuts, as well as a track adjust and anti-tip adjustments to ensure smooth and accurate cuts. An additional 55 in. Track For Track Saw with (2) 27.5 in. Tracks, and (4) Connector Bars are sold separately as an accessory, Model A73TS01N. Best of all, it is part of the RYOBI 18V ONE+ System of over 280 Cordless Products that all work on the same battery platform.