Especially suitable for: Industry, construction sites, commercial vehicle and car workshops, agricultural technology, construction machinery, Bridge, ship, aircraft and railway construction, refineries, Machinery and plant engineering, maintenance, Features: Mechanical hand torque multiplier for controlled screw tightening and unloosening screw connections, With a single-stage planet gear, High-performance aluminium housing, Models with transmission ratio 1:4, 1:5.5, Guaranteed accuracy: Better than +/- 3 % tolerance, To operate with a suitable torque wrench, 2 models with maximum load in the range from max. 2000 Nm to 2800 Nm, Model -Z: with cranked reaction arm Z-shaped made of chrome vanadium steel, Model -L: with straight reaction arm L-shaped, with adjustable reaction square, made of light metal, Output square with hole for Impact sockets with locking pin and ring