2 hydraulic wrench body uses high-tech aerospace materials (aluminum alloy) and ultra-high-strength alloy steel, one piece, the body has a light weight, high strength, toughness, etc.:: Maximum working-driven hydraulic wrench hydraulic wrench 1 pressure 70Mpa, an accuracy of ± 3%. 3: Hydraulic wrench 360 ° × 180 ° rotating hose connector, without the use of space restrictions, easy to operate. The trigger-type padlock, easily pressed, can be arbitrarily fine-tuning the 360 ??° reaction arm set at the fulcrum of the firm. 5. A complete model specifications, the specifications of the sleeve with a square drive shaft used together for most of the bolts on the market specifications, special models can be customized.