Features: 1. 31 In 1 Screwdriver Set: This screwdriver set has 28 x different bits, 1 x screwdriver, 1 x tweezers, 1 x pry bar. The 38mm upgraded extended drill bit s convenient for the disassembly and assembly of deep screws. 2. Sturdy Quality: Made of chrome vanadium alloy steel, It is harder and more durable. Sandblasted surface anodes' treatment, anti-sweat, and anti-corrosion. 3. Magnetic Storage Box: Built-in ejection button, one-click popping up bits' container, hold all the screws in place so that they do not fall off. Magnetized tips improve the handling and manipulation of screws. 4. Compact & Portable: Easy to carry and place, you can also carry it with you in your pocket and bag casually, easy to use at any time. 5. Widely Used: 31 in 1 screwdriver kit suitable for disassembling and repairing various mobile phones, cellphones, laptops, tablets, watches, toys, cameras, glasses, game consoles, jewelry, various household appliances and jewelry with small screws or DIY work. Specification: Material: Chrome Vanadium Alloy Steel Size: 15.5 x 4 x 4cm Color: Black Weight: 275.1g Package Included: 31 x Screwdrivers