Use: Controlled screw tightening in the most widely used range of 1 - 850 N·m / 0.75 - 630 lbf·ft (guide for screws M3-6.9 to M24-8.8, M30-5.6), Adjustable, releasing and sturdy tubular torque wrench with integrated ratchet and with square drive for industry and the trades, Features: Classified as per DIN EN ISO 6789-2:2017 Type II Class A Type II Class