This is a very useful tool. has fine accuracy, fine overlap, and a wide-range of applications, using chrome vanadium steel and with industrial-grade workmanship, which makes the product has a long service life, come on and try it. Features: The product has fine accuracy, fine overlap, and a wide-range of applications. Diverse combinations, no need to repeat purchase, saving space and money. The product has a comfortable grip, a fine feel, safe and convenient to use. The configuration is rich and complete, which can fit most bolts with small torque. The torque wrench adopts precisions manufacturing technology and has the characteristics of high precisions. Wide-range of applications: suitable for a variety of industries to meet different needs, such as bicycle-repair, car -and product assembly. With quick release function, the sleeve can be easily installed or removed by pressing the quick release button. Two-way ratchet head, used clockwise and counterclockwise, one-key switch, convenient and quick. The sleeve is made of CRV, the bit is made of S2, and the quenching process is wear-resistant and corrosion-resistant. Specifications: Material: steel Torque-range: 2~20Nm Interface: 1/4" Extension rod length: 100mm / 3.9in Accuracy: 3% Resolution: 0.2Nm Hexagonal socket: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm Hexagonal bits: H2, H2.5, H3, H4, H5, H6, H8, H10 Star bits: T20, T25, T27, T30, T40, T45 Cross-bit: PH1, PH2, PH3 Flat bit: SL2.5, SL4, SL6 Package size: 265 * 100 * 55mm / 10.4 * 3.9 * 2.2in Package weight: 1030g / 2.3lb Packing List: 1 * Torque Wrench 1 * Extension Rod 1 * Universal Knot 1 * Bit Holder 11 * Hexagonal Socket 8 * Hexagonal Bit 6 * Star Bit 3 * Cross-Bit 3 * Flat Bit