ShamBo ShamBo new 45-in-1 interchangeable precise manual tool set Professional portable hardware tools with perfect weight & compact design for easy carry For repairing laptops, mobile devices, and other precision items like wristwatches and eyeglasses High hardness and good toughness Non-slip tough shaft ensures greater comfort and convenience Able to open mobile phone,Computer, Laptop, PDA housings, PSP, NDS, MP3 player, etc. Comes with extension rod can be inserted into the handle for length adjustment. Highly precise tips in various specifications for different uses. The handle is designed based on Human Mechanics, which makes operation more efficient and convenient. Made of supreme chrome/vanadium steel, and specifically heat-treated Screwdriver handle material is PP&amp;TPR and non-slip, with activities rotating cap. Precision screwdriver set can be used for a variety of projects from hobbies, automotive work and the computer repair and other electronic repair. Extensions are an anti-static stainless steel tweezers, one end of a rotating handle.