Specifications: S2 steel is alloy of carbon, silicon, manganese, chromium, molybdenum, vanadium. It is high quality shock resistant tool steel, with the advantage of strength and toughness. High-end tools steel, comprehensive ability is better than that of chrome-molybdenum steel. Suitable for screwdriver, inner six angle wrench and so on. Application: Can maintain a series of daily necessities such as mobile phones, computers, household appliances, toys, etc. Type: Screwdriver Set Material: Chrome-Vanadium Steel Features: Portable, Multifunctional, Magnetic, Repair Tool Size: 15.5cm x 10cm x 4.5cm/6.10" x 3.94" x 1.77" (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: 1 Set of Screwdriver Kit