The DEWALT DWE4887 1-1/2 In. die grinder features a 4.2 Amp, 25,000 rpm motor which provides high power and speed for all 1-1/2 In. grinding applications. This tool also has AC/DC capacity that works off welding machines and generators for increased productivity and versatility. It offers a convenient paddle switch with lock-on button for easy gripping - lock-off prevents accidental start ups. This grinder is designed with a single piece collet and nut for hassle free accessory changes - a precision 1/4 In. collet securely holds all proper accessories (1/8 In. reducing sleeve as optional accessory). An angled exhaust path directs debris away from user and the small body diameter provides comfortable gripping area. Amp capacity is 4.2 A, with a no load speed up to 2,500 rpm. Includes: (2) wrenches, (1) 1/4 In. collet.