DEWALT DW887 1-1/2-Inch Die Grinder 3.0 Amp, 25,000 rpm motor provides high power and speed for all 1-1/2-inch grinding applications ac/DC capacity works off welding machines and generators for increased productivity and versatility Convenient paddle switch with lock-on button for easy gripping Precision 1/4-inch collet with 1/8-inch reducing sleeve securely holds all proper accessories Includes DEWALT one year warranty and one year free service contract