Model: 112-in-1 Screwdriver SetMaterial: Chrome vanadium alloy steelScope of Application: Precision InstrumentsFeatures: MultifunctionalErgonomical and non-slip handle for great comfort and precision.The extra extension bar lengthens the handle, easy to reach narrow places.Made of chrome-vanadium steel, which is nontoxic, strong hardness, durable and precise.Comes with a storage case for easy carry, you could carry to everywhere, it also helps keep the tools organized.Meets you different needs, such as repairing or opening your smart phone, tablet, laptops, mobile devices, wrist watches, eyeglasses and other electronic devices.Package included:1 x Screwdriver Bit SetAttention: Size may be slight inaccuracy due to different batches of the products, or hand measurement;Color may be little different due to monitors. Please take real product as standard, thanks for your understanding!