Kaisi® is a professional provider of precision tools. The products are widely used in communications equipment, intelligent mobile phone, tablet computer, walkie talkie, game machine, MINI PC, shaver, watches and other sophisticated electronic equipment. Note: Please note that identify the logo When you Receive it.Kaisi® Brand. A technician or expert is Guidance for the installation, our company is not responsible for any damage caused by installation of this accessory. Include Bits: I5 screw plate:(i5 phone demolition of different positions of the screws put in the corresponding holes, convenient installed.) capacitive screen separating tool:(smart phone capacitive touch to change the capacitance screen, due to the glass and the capacitive screen is stuck together with capacitive screen special tools can be easily separated and avoid demolition broken screen.) ★5 point star pentalobe: 0.8mm(for iPhone 4/4S,for iPhone 5/5C/5S) ★5 point star pentalobe :1.2mm (for bottom cover or case screws of MacBook Air) +Phillips:1.2mm(for all iPhone3GS 4 4Gmodels, laptop, Macbook,and others) -Flated(Slotted):2.0mm (Apple mobile phone of the motherboard in which a screw screwdriver to open this) Boot Disk：open the cabinet dedicated.