Mini Screwdriver Set Nanch 10 in 1 Screwdriver Bit Tool Set,Repair Kit for iPhone/PC/Jewelry/Watch/Smartphone,etc. High Quality--S2 steel bits with enough hardness and toughness,HRC 58-60. Multi-use --Design for repairing iPhone/macbook pro/ipad mini/Macbook air/watches/glasses and etc. Variety Bits--Mini precision screwdriver set includes pentalobe,philips,slotted and torx screwdriver bits. Portable--Pocket design which easy to be put into pocket. Magnetic--Full aluminum driver with magnetic button inside to magnetize the bits when fixing.