Features: 1. Fully Enclosed Structure: Our torque wrench set fully enclosed structure ratchet head it enjoys tightly bites not easy to slip it is suitable for small spaces. 2. Multiple Tools: Our torque wrench set contains a multi-specification selection screw socket: 1/4 extension rod cross flat hexagonal flower head hexagonal socket head. 3. Presets Torque Accuracy of 3%: Our torque wrench set presets torque accuracy of 3%. It has accuracy value and it is not easy to wear for long time use. 4. Two-Way Ratchet Rotation: Our torque wrench set adopts a Two-way ratchet rotation and one-key quick change of the sleeve: the paddle is to the right and the screw is tightened; the paddle is to the left and the screw is removed. 5. Easy to Operate: Our torque wrench set is easy and fast to operate; you can use it easily with three simple steps to preset 1 pulls 2 twists 3 rebounds. Specification: Product Name: 15-piece set of ratchet torque wrench Material: alloy steel includes: 1 * Bicycle torque wrench set