NANCH 20 in 1 Magnetic Screwdriver Kit Set,Precision Tools for iPhone/PC/Smartphone/Small Electronics Designed for repairing mobile phones,iphone,computers, tablets, game systems, wristwatches, and eyeglasses Ergonomic,non-slip driver made from space alluminum makes your job easily. Hardened Heat Alloy S2 blade bits,HRC 58-62,bits length 45 mm and 4 mm shank. 15 tips with philips,slotted,torx,pentagonal and sp2. Professional portable case with right weight & size can take to anywhere.