Special alloy steel hydraulic square drive hollow wrench Easy maintenance, only three moving parts Maximum working pressure 700bar (10000psi) Compact and lightweight design Flexible and interchangeable square drive head and hollow head Reli
Special alloy steel hydraulic square drive hollow wrench • Easy maintenance, only three moving parts • Maximum working pressure 700bar (10000psi) •Compact and lightweight design • Flexible and interchangeable square drive head and hollow head • Reliable and strong, all parts are made of high-strength alloy steel •Simple and effective ratchet design • Torque output/weight ratio is better than similar products •Can work continuously and efficiently under the maximum load capacity