The variable speed 2500 rpm high-torque motor of the DS242-AC provides the power for heavy duty applications, such as metal framing, gypsum sheathing to steel, and metal decking. The adjustable depth-of-drive locks in place to ensure consistent screw placement on each drive. SENCO’s patented corner-fit feed system provides access to tight corners, and feed on return aligns the next screw with the bit before each drive for better line of sight and accurate screw placement.