Ss tools [india] has introduced push-start auto shut-off noiseless screwdriver produce by mijy land industrial co. Features: 1. Accuracy - m & l provides patent clutch with 3 percent deviation of torque; assure the best quality. 2. Economic - wide-ranging torque with many patents and longer life cycle of motor. 3. Delicacy - combination of art, ergonomics, and mechanical design. 4.Technology - special mechanical structure and patent motor give low noise, low vibration, and high accuracy.