Hello,Welcome to my shop! Feature: ✔【Multi-Professional Screwdriver Bits】 S2 steel screwdriver set includes 48 screwdriver bits, which are designed for electronics, laptops, phones, computer, eyeglasses, smartphones, toys, PC, watches, game consoles, camera, radio, Macbook and most hand-held devices. ✔【Magnetic Design】 With magnetic design, which makes it much more easy to use. You just need to choose the bit that you need and put it into the hole of the handle, and the bit will be sucked tightly because of the magnetism. Magnetic Bits neatly inside the aluminum alloy storage box, even if the head is facing down, it will not fall down. ✔【High Hardness & S2 Steel Material】Updated magnetic bits made by high grade S2 steel which is much harder and durable than CRV steel. Hardness up to 60HRC(Tolerance:±2HRC), extraordinary hardness, superior toughness, High precision. ✔【Aluminium Alloy Handle & Deep Hole Work Design】Aluminum alloy handle with anodic oxidation process and special anti-slip treatment, turn cap design.It's equipped with deep holes working screwdriver (12mm working depth), 30% more work depth than ordinary screwdrivers ✔【Pocket Size Storage Box】Aluminum alloy storage box has slim & compact body size, smooth arc edge to give you comfortable grip. Sandblasting anodizing treatment surface, anti-Sweat and anti-corrosion. When you press the button on the top, the internal box will spring out. Specifications: -Bits work depth: 9mm -Product hardness: 58~62 -Weight: 278g -Bits Material: High grade S2 steel -Handle Material: Aluminum alloy -Case Material: Aluminum alloy -Operation of the Box: Press to open and close -Box Dimensions: 168mm * 66mm * 15.8mm/6.61in *2.6in* 0.62in 48 Screwdriver Bits include: -2 x U shaped: 3.0/2.6 -7 x Slotted: SL4.0 /3.5 /3.0/ 2.5 /2.0 /1.5 /1.0 -11 x Torx: T20H / T15H / T10H / T9H / T8H / T7H / T6H / T5H / T4/T3 /T2 -4 x Phillips: PH1/ PH0 / PH00 / PH000 -3 x Pentagon：P6 / P5 / P2 -3 x Square: S2 / S1 / S0 -4 x Tri-wing: Y1/ Y2.5 / Y2.0 / Y0.6 -1 x Pinhead Phillips:2.5 -3 x Triangle: 3.0/ 2.3 / 2.0 -9 x Hex: H4.0 / 3.5 / 3.0 / 2.5 / 2.0 / 1.5 / 1.3 / 0.9 / 0.7 -1 x Point: 0.8 (Sim Card Ejector Pin) Package included: -1 x 48 screwdriver bits -1 x screwdriver handle -1 x storage case Note: 1.The bit size should be corresponded to the screw size, otherwise the bit will be twisted or damaged. 2. It's normal for some iron filings to appear in the process of using, which has no effect on the quality and the hardness of the product, don't worry. Manufacturer Information: Company: BLACKSTONE ELECTRONICS CO LIMITED Address: UNIT D12 ON 16TH FLOOR JING HO INDUSTRIAL BLDG NOS.78-84 WANG LUNG ST TSUEN WAN NT Email: black_stoner@outlook.com Tel: +8618123753837