Kaisi 10in 1 Opening Tool Screwdriver Repair Kit Set Screws Mat Screwmat for Iphone 4 4s A good DIY Tool Kit,Repair and Opening the cabinet dedicated your iPhone 4S / 4. 4S Phone Screw plate of the different positions of the screws put in the corresponding holes. One 0.8 Pentalobe magnetized screwdriver One 1.2 Pentalobe magnetized screwdriver One 1.2 Phillips magnetized screwdriver