401SM

The 401SM is a micro-adjustable Torque Screwdriver features positive locking pull down adjustment knob and universal 1/4-inch hex bit holder with strong rare earth magnet. Adjustable model offers versatility for applications that require more than one torque value. This torque screwdriver is particularly suited for the electronics industry and for instrument assembly work. A simple, cam-over design prevents over-tightening and possible damage to components. Torque settings are easily and accurately changed with an unique adjusting knob and easy-to-read window scale. Adjusting the screwdriver is simple. Just pull out the adjusting knob to unlock, turn to the desired setting, then push the knob in until it clicks. Positive locking knob makes accidental setting changes impossible. Automatic lock in counterclockwise direction makes fastener removal a snap.