This brushless 4-1/2 in. cordless circular saw kit comes with one 20V MAX* 5.0 Ah battery, charger, blade, rip fence, dust port adaptor, and tool bag. The DCS571 cordless circular saw features a bevel gear design allowing users to cut 2x material at 90 degrees and 1x material at 45 degrees. With convenient on-board blade key storage users can change blades with minimal hassle. Elongated handle optimizes reach for rip cutting OSB and plywood. Using the DCB205 battery, you can cut up to 339 liner feet of 3/4 in. OSB.