DeWalt Atomic 20-Volt MAX Lithium-Ion Brushless 4-1/2 In. Cordless Circular Saw (Bare Tool)Brushless motor allows for cutting up to 369 linear feet of 3 4 In. OSB using DCB205 battery (sold seperately) Removable auxilary handle for increased control Hang hook for increased convenience On board blade key storage for hassle free blade changes 1 1 2 In. finger trigger allows users to choke up on tool if necessary for their application Bevel gear allows users to cut 2x4 material at 90 degrees with a 4 1 2 In. blade Electronic blade brake stops