Material: carbon steelColor: orangeSize of carry case: 100*50mmQuantity: 31piecesPackage list: 1set screwdriver toolNote:1. Please allowed 1-3mm differences due to manual measurement, thanks.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.Description:1. Material: made of 45 carbon steel, nickel-plated anti-rust treatment, and PP material, soft and non-slip, head post is carbon steel forged, strong and incomparable.2. 31-in-1 tool: the whole set includes 30 batch heads, embedded magnetic non-slip screwdrivers and plastic boxes as 31-in-1 disassemble tools.3. Easy carry and grip: with comfortable rubberized grip and carry case, more portable and non-slip for you.4. Multi-use: perfect mobile phone, hard disk disassembly and repair complete tool set and more.5. Easy to use: precisely machined bit tips allow accurate size and chamfered bit ends insert into fasteners more smoothly and easily.6. Storage tips: the hardware products may be easy to rust for a long time and it is great to store in a dry and breathable space.Please understand that due to differences in lighting or computer monitors, I cannot guarantee that the photos and actual colors are 100% the same.