Specification: Material: Chrome Vanadium Steel. Range of use: 8-13mm & 14-24mm / 8-14mm & 15-24mm / 8-13mm & 14-22 mm / 3-8mm & 8-17mm Product Length: 270 mm / 220 mm / 160 mm / 145 mm Product thickness: 8 mm / 5 mm / 4 mm. Weight: 250 gm / 125 gm / 65 gm / 30 gm / 475gm Colour: Black. Feature 1. Two-end design, accept standard nuts and bolts with 5/16-7/8 inch or metric 3-22 mm. 2. Comprehensive heat treatment, hardness up to HRC60, high quality forged CR-V steel, large torque, good wear resistance and long service life. 3. The extra long design provides extra leverage, increase torque and save effort. 4. Corrosion resistant and easy to clean, the preferred choice for repair tools. This is the best gift for craft lovers. 5. Suitable for repair work such as disassembly and assembly of bolts and nuts in various devices such as automobiles, motorcycles and bicycles. Package Includes: 1 x Spanner Wrench