4. Portable Size: 15 x 3.8cm/5.9 x 1.5inch, Easy to carry and place. You can also carry it with you in your pocket and bag casually, easy to use at any time. 2. Quality Assurance: Made of high-quality steel material and S2 alloy, it is harder and more than ordinary steel. Sandblasted anodes treatment, anti-sweat, and anti-. 3. Magnetic Storage Box: Built-in eject button, One-click -up bit container, keeps all screws in place so they don't fall. Magnetized tips improve handling and manipulation. 1. Value Package: This screwdriver set has 28 * conventional and bits, 1 * screwdriver, 1 * tweezers, 1 * pry bar. The upgraded extended drill bit is 10mm longer than one, which is convenient for disassembly and mounting of deep screws. 5. Wide Application: Used for watches, eyeglasses, cell phone, computer, electronics, laptops, Game Console, , jewelry with small screws or DIY work, cameras etc., Weight: 0.59304348478 Pounds, Manufacturer: NONDK