This screwdriver set has 28 different bits, 1 screwdriver, 1 tweezers, 1 pry bar. The 38mm upgraded and extended drill bit is convenient for deep screw disassembly and assembly. Made of high quality chrome vanadium alloy steel, stronger and more durable. Sandblasted surface anodized, anti-sweat, anti-corrosion. Built-in eject button, one click to eject the bit container, and fix all the screws in place so that they don't fall off. Magnetized tip improves screw handling and handling. Easy to carry and place, you can also carry it in your pocket and bag for easy use at any time. Suitable for disassembling and repairing all kinds of mobile phones, mobile phones, laptops, tablets, watches, toys, cameras, glasses, game consoles, jewelry, various household appliances and jewelry with small screws or DIY work. Material: Chrome Vanadium Alloy Steel Color: Dark Gray Size: 15 x 3.8cm Weight: 320g Package List: 1 x 31 In 1 Screwdriver