Specifications: Made of premium chromium vanadium alloy steel material, heat treatment, polished surface is corrosion resistance, effective extended service life. With complete metric and imperial specifications, the wrench set is convenient to use. Precise size prevents slipping, very suitable for home repair, electrician repair, car repair, machinery repair, non-motor vehicle repair, plumbing repair. Mini style is very suitable for use in narrow space. Perfect for all ordinary small hexagon fasteners and nuts, excellent for automobile, industry, family, hobbies, etc. The small size is convenient for easy organization, carrying and quick access. Item Name: Wrench Material: Chromium Vanadium Alloy Steel Standard: Metric/Imperial Quantity: 10Pcs Features: Portable, Durable, Dual Heads, Metric/Imperial Size Details: 4mm (7/16 Inch): Wrench Length: 7.2cm/2.83" (Approx.) 4.5mm (3/8 Inch): Wrench Length: 7.3cm/2.87" (Approx.) 5mm (5/16 Inch): Wrench Length: 8.2cm/3.23" (Approx.) 5.5mm (9/32 Inch): Wrench Length: 8.2cm/3.23" (Approx.) 6mm (1/4 Inch): Wrench Length: 8.2cm/3.23" (Approx.) 7mm (15/64 Inch): Wrench Length: 8.8cm/3.46" (Approx.) 8mm (7/32 Inch): Wrench Length: 8.8cm/3.46" (Approx.) 9mm (13/64 Inch): Wrench Length: 9.6cm/3.78" (Approx.) 10mm (3/16 Inch): Wrench Length: 9.7cm/3.82" (Approx.) 11mm (5/32 Inch): Wrench Length: 9.9cm/3.9" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Wrenches