Use: Controlled screw tightening in the range of 0,2 - 1,5 Nm, Serial manufacture with constant tightening value, Electronic industry, precision mechanics and industrial manufacturing, Features: Pre-set torque screwdriver - without scale, With 1/4" female hexagon drive for use with 1/4" hexagon bits as per DIN 3126 - C 6.3, Classified according to DIN EN ISO 6789:2003 Type II Class F, with a traceable factory certificate., Calibrated to a permitted +/- 6 % deviation of the set torque, Precision radial ball clutch and cam design for controlled bi-directional tightening, Precision mechanism slips very noticeably when the pre-set value is achieved, Automatic resetting to the starting position, Fatigue-free working due to an ergonomic hand grip and a smoth tool reset action, Calibration stickers can be easily applied to the purpose designed nose, The pre-setting can be made at the factory or by the user on suitable torque testers, If fixed setting at the factory is desired is required, please state the Nm value when ordering (price on request), Scope of delivery: Torque screwdriver Type PRO FH, Models 4.5 and 13.5 with additional removable T-bar for ease of use, Test certificate acc. to DIN EN ISO 6789, Delivery in sturdy cardboard packaging