The Norbar Torque Screwdriver provides easy torque adjustment without the need of additional specialist tools. Fitted with a comfortable, durable handle. The handle is constructed using 2 materials; a base material for strength, overlaid with a soft feel grip for comfort and slip resistance. The screwdriver 'slips' when torque is achieved removing the possibility of over-tightening. It also features a lock to prevent accidental adjustment of set torque. Accuracy meets the requirements of ISO 6789-1:2017. Traceable calibration certificate for the clockwise direction supplied with all adjustable tools (not 'P' Types). Supplied with a 1/4in hexagon bit holder designed using a 4mm hexagon stem. Specification: Operates Between 1.2-6.0NmAccuracy: 6%Handle Length: 155mmWeight: 0.235kg.