This torque wrench kit is an essential tool for your home daily car repairs or repairs shop. It includes a torque wrench and 16 bits for your use together. If you are looking for a new torque wrench, come on and try this product, it will not let you down. Features: Ergonomically Designed Handle: The handle is ergonomically designed to save effort and not tiring hands, give you a better using experience. When you hear a clicking sound during use, it means that the preset Nm value has been reached, please do not continue to use. A Full Accessory Set: The accessories are the most commonly used bits and have a wide ranges of applications. Storage Box: Comes with a storage box to store these accessories neatly in the box and will not cause confusion or loss. The front and back double laser scale design allows you to read the number clearly, giving you a better experience. Quick Release Button: It is easy to install or remove sockets with the push of a quick release button. Wide Applications: This tool set can be widely used for electrical, car repairs, product assembly and so on. There are three different models for you to choose from: SHGH-20S, SHHX-20S, SHTX-20S. The handle of SHHX-20S is made of all black aluminium alloy material, and the difference between the SHGH-20S and SHTX-20S models is the shape of the wrench. Specifications: Material: metal+Chrome vanadium steel(bits) Model: SHGH-20S, SHHX-20S, SHTX-20S (optional) Torque ranges: 2-20Nm/17.7-177lb.in Interface: 1/4inch precision: 3% Resolution: 0.2Nm/0.2lb.in Bit model: H2, H2.5, H3, H4, H5, H6, H8,4mm,T20, T25, T27, T30, T40,PH1, PH2, PH3 Package size: 255 * 80 * 52.5mm / 10.0 * 3.1 * 2.1in Package weight: SHHX-20S: 720g / 1.6lb SHGH-20S&SHTX-20S: 780g / 1.7lb Packing list: 1 * Torque Wrench 1 * Extension Rod 16 * Bits 1 * Storage Box