Features： 1、Made of high quality chrome-vanadium steel material, is processed with heat treatment, which has high hardness, torsional moment resistance, good toughness and long service life. 2、The integral thickening, heavy wrench, and smooth standard arc opening design, is not easy to wear, more convenient and reliable. 3、Precisely polished and chrome-plated process, makes it beautiful and not easy to rust. 4、The extended design makes it easy to operate in a small space without obstacles. 5、Including 12 types of wrench, meet your needs of different sizes. 6、Ergonomic handle design for more comfortable grip. Specification： Condition: 100% Brand New Item Type: Double End Wrench Material: Chrome-Vanadium Steel Color: As Pictures Shown Quantity: 12Pcs Application: Maintenance tools for bicycles, motorcycles, ATVs, UTVs, car, trucks, etc. Specifications Wrench Length Opening Thicknes Spline End Thickness 6mm / 0.2in 130mm / 5.1in 5.9mm / 0.2in 7.1mm / 0.3in 7mm / 0.3in 138mm / 5.4in 6mm / 0.2in 7.3mm / 0.3in 8mm / 0.3in 147mm / 5.8in 6.2mm / 0.2in 7.7mm / 0.3in 9mm / 0.4in 156mm / 6.1in 6.4mm / 0.3in 7.9mm / 0.3in 10mm / 0.4in 172mm / 6.8in 6.7mm / 0.3in 8.1mm / 0.3in 11mm / 0.4in 182mm / 7.2in 6.9mm / 0.3in 8.5mm / 0.3in 12mm / 0.5in 194mm / 7.6in 7.3mm / 0.3in 9.1mm / 0.4in 13mm / 0.5in 203mm / 8in 7.5mm / 0.3in 9.6mm / 0.4in 14mm / 0.6in 220mm / 8.7in 8.4mm / 0.3in 10mm / 0.4in 15mm / 0.6in 233mm / 9.2in 8.6mm / 0.3in 10.2mm / 0.4in 17mm / 0.7in 252mm / 9.9in 9.1mm / 0.4in 10.6mm / 0.4in 19mm / 0.7in 280mm / 11in 9.3mm / 0.4in 10.8mm / 0.4in Package List： 12 x Double End Wrench