The main purpose of electric screwdriver is fastening of application by developing a clamp load between them. Electric screwdriver is performing well currently in various electronic as well as mechanical industries. Kilews electric screwdriver is very popular in term of accuracy. Kilews screwdriver is not different from conventional manual screwdriver, both serves the same purpose of tightening of application. But instead of manual operation the electric screwdriver is having electric motor to tighten the application very easily. These electric screwdriver work on the principal of clutch mechanism, in which clutch is used to adjust the torque of the tool. Electric screwdriver are two types based on the source of power supply i.e. AC type electric screwdriver and DC type electric screwdriver. Dc type screwdriver is a brushless motor screwdriver where Kilews also introduced the counter display controller which is having various features like OK, NG, OKALL, Slow start ,Auto reverse,...