Break back style wrenches provide a large break angle, to prevent the possibility of over-torquing Chrome molybdenum ratchet gear and fully heat-treated handle Ideal for noisy and difficult working conditions Comes in blow-molded storage case with instructions 1" square drive 200-750 ft.-lbs. 300-1000 Nm 1" Break Back Length: 57.68" Torque Accuracy: ± 4% Weight: 28.66 lbs.