We offer square drive torque wrench ibt series square drive hydraulic torque wr. Ibt series is the professional hydraulic torque wrench which wren vigorously extends in international market. Its raw material is aluminum-titanium alloy which makes the wrench light and high intense. Ibt series has 10 models with the range from 112n.m to 72, 000n.m; covers the most of bolts size, and be the most comprehensive available in the market. Wren provide after-sales service all over the world, and already got the approved by tuv certificate