The DW130V 1/2-inch Spade Handle Corded Power Drill features variable speed reversible switch to reduce air bubbles when mixing mud. 120V motor of the corded electric drill delivers 0-550 rpm to increase torque for drilling and mud mixing. Lightweight and comfortable grip to minimize downtime. From the Manufacturer DEWALT DW130V Heavy-Duty 9 Amp 1/2-Inch Drill with Spade Handle