[High quality and durability]: The of the key is made of chrome steel, the multi-faceted teeth do not slip, comfortable, non-slip, rust-proof, anti-. Excellent material extends the life of the key. [Easy to use]: Lower the lock button and hold it down until the torque adjustment is complete. Release your hand and the lock button automatically reset to lock the value. The of the torque wrench is equipped with a release button, which facilitates the installation and removal of the socket, and firmly grips the socket to prevent it from falling. It is more convenient to use. [High ]: industrial quality 28-210N torque wrench, torque wrench for car tyre, kilogram torque wrench, ratchet wrench tool, dynamometer socket [Reliable and safe]: When the set torque value is reached, the key remind you to stop applying force to prevent excessive torque from damaging your items. The ladder adopts laser technology, and the double range ladder is easy to read and is not easy to carry. [Two-way measurement, range of uses]: the choice of the key can adjust the direction of use at any time, so that the key can be used clockwise and counterclockwise. Most widely used in: equipment installation, electrical engineering, maintenance of bicycles/motorcycles, product assembly. 1 x 1/2 inch key, socket 1 x 17 mm, socket 1 x 19 mm, socket 1 x 21 mm, 1 x extension rod, Manufacturer: Lisher