[115in1] The screwdriver kit is equipped with 100 different screwdriver bits ( screwdriver, flat screwdriver, Torx screwdriver, Torx safety screwdriver, pentagon screwdriver, hexagon screwdriver, etc.) and opening tools, ensuring that you have the most complete repair kit. Each digit is engraved with the part number and size for quick identification. [material] All precision drill bits are made of the best chrome-vanadium steel (tank steel), with a hardness of more than HRC65 °, wear resistance, oxidation resistance and resistance. In particular, the tip is solid and , and not deform, ensuring long-term use. In addition, the strong magnetizing tip can easily pick up and fix the screw. [Ergonomic design] Super smooth rotating cover for easy removal of screws. Rubber particles and PP+ streamline handle that you can turn any screw. The magnetic bit holder transmits magnetism through the screwdriver head to help you handle all tiny screws. Even better, the attached Flexible Extension tool is very suitable for removing screws that are just out of reach. [Portable and reliable] Heavy-duty case with latch ensures safe storage and transportation. Colour: Gray-Black Material: chrome vanadium steel Package Contents: 1 * 115 in 1 screwdriver set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.