This 36pcs Allen wrench tool set is corrosion resistant and each tool is organized neatly into the holders for quick and easy access. Complete varieties and specifications, this wrench set can be enough for all fasteners. The design meets the standard and can easily handle under poor handling conditions. Note: Size and color may be slightly different because of manual measurement and different light conditions. Thanks for understanding. Specifications: Type: Hex Key, Star Key Material: Chrome Vanadium Steel (CR-V 6150#) + PP + TPR Hardness: HRC48-57 * 13pcs Metric System: 1.27mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 8mm, 10mm * 13pcs Imperial System: 1/20, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8inch * 9pcs Star Key: T10, T15, T20, T25, T27, T30, T40, T45, T50 Torque Rod Size: 110 * 39mm / 4.3 * 1.5in Item Weight: 1086g / 38.3g Package Size: 27.69 * 20.57 * 4.32cm / 10.9 * 8.1 * 1.7in Package Weight: 1200g / 42.3oz Package List: 35 * Wrench 1 * Torque Rod