The wrench is made of high-quality alloy steel with fine workmanship, corrosion resistance, high hardness and strong torsion, which is not easy to break. Ratchet wrench design, ratchet can be switched in both directions, easy to disassemble, and the minimum rotation angle is only 5. It is convenient to use, and is suitable for tightening and controlling screws in automobile maintenance, equipment installation and other occasions. Equipped with plastic carrying box, it is wear-resistant and impact-resistant, easy to carry, and provides fast and convenient movement and storage in complex environment. Widely used to meet various work requirements, suitable for bicycle maintenance, workshop work, factory machinery maintenance, manufacturing and other industries. Describe Name: torque wrench set Material: chrome vanadium steel Quantity: 16 pieces/set Batch model: H 2.5 H 3 H 4 H 5 H 6 H 8 H 10 T 20 T 25 T 30 PH1 PH2 PH3 Extension rod size: 4 inches Torque: 2-24n.m. Drive interface: 1/4 inch Color: As Shown Package Contents: 1 x torque wrench set (1 x torque wrench, 1 x extension rod, 13 x batch head, 1 x storage box) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.