32 In 1 Screwdriver Combination Multifunctional Magnetic Small Screwdriver Bit Set Precision Portable Contains 30 Bits Non-Slip Handle for Phone Laptop Computer Toy. The screwdriver combination is made of high-end steel for exceptional durability and long lifespan. The handle features a metal embossed anti-slip treatment, while the blades are made of chromium-vanadium steel. It comes with an extended magnetic connector and 30 different-sized screwdriver heads, suitable for repairing a wide range of devices.