Cxuan 7 In 1 Chrome Vanadium Steel Multifunction Precision Small Screwdriver Set Professional Repair Hand Tool for Iphone ,Clock ,Watches,Lap top According to the human body engineering design of the plastic handle is easy to grasp and provide greater torque, special green plastic. 7 in 1 Portable Screwdriver Kit Set Precision Professional Repair Hand Tool with Box It comes with 6 tips, there are 2 different ends on each tip, so you can use it in 12 different ways. This screwdriver set is fine workmanship and sufficient hardness of the cutting tools, high precision of knife type, not easy to deformation and broken in use process. All compactly organized in a pocket-sized carry case, this set can go anywhere you go. Screwdriver Size Purpose: T3 for Motorola, Siemens, SL55 and other mobile phone. T4 for Motorola series. T5 for Motorola and Nokia. T6 for all Samsung and Motorola, Nokia some models. T7 for part for mobile phone. T8 for Motorola and sony some models. T10 can be used in the demolition drive.  for iphone 4,4s, 5,5s Pentagon screw at the bottom and Sharp phones.