ToolSmithDirect via Newegg offers the Kawasaki 12V DC Impact Wrench Set, model no. 841337, for $37.95 with free shipping. That's the lowest total price we could find by $3. Powered by a 12-volt DC socket, it features 280-foot lbs. of torque, two double-end sockets, and a carry case. Deal ends March 31.