Is is a very useful tool. has fine accuracy, fine overlap, and a wide-range of applications, using chrome vanadium steel and wi industrial-grade workmanship, which makes e product has a long service life, come on and try it. Specifications: Material: steel Torque-range: 2~20Nm Interface: 1/4 Extension rod leng: 100mm / 3.9in Accuracy: 3% Resolution: 0.2Nm Hexagonal soet: 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 Paage size: 265 * 100 * 55mm / 10.4 * 3.9 * 2.2in Paage weight: 1030g / 2.3lb Paing List: 1 * Torque Wrench 1 * Extension Rod 1 * Universal Knot 1 * Bit Holder 11 * Hexagonal Soet 8 * Hexagonal Bit 6 * Star Bit 3 * Cross-Bit 3 * Flat Bit.