The DeWalt DW660 Cut-Out Tool is a corded, 5-amp tool with a 30,000 RPM motor, designed for cutting drywall and other materials. It features a 1/8" and 1/4" collet chuck for various bit sizes and a 10" tool length. The DW660 also includes a drywall cutting bit, tool-free bit change, a turn-on/bump-off switch, and dust-sealed switch.