DEPRAG's Variomat multi-purpose power tool can drill holes and drive screws to either depth or torque. With the 1⁄2-in.-20 UNF thread on the tip of the tool, standard over-the-counter drill chucks may be attached. The tool is rated at 1,900 rpm and reaches a stall torque of 50 in.-lbs. If an automatic clutch is attached, the maximum torque is 44 in.-lbs.