Tempo Communications 177 Precision Tone Generator w Leads 1975 integrated design puts weight and D20983ASU integrated design puts weight and power directly over the work piece for the smoothest operating "stand up" tool in the industry High torque 7 amp motor has more power than the typical hand held screwgun to drive effortlessly into composite decking and engineered lumber Patented feed system provides continuous operation with fewer jams Fully adjustable handle matches height of any operator Thin profile front end provides unobstructed line of sight for precision placement of screws from office equipment to household appliances and electronics The TEMPO Communications Precision Tone Generator (Model 177) is portable and designed for use in fault location and pair identification operations