Kaisi&reg; 45in 1 Professional Portable Opening Precision Screwdriver Hand Tools Kit Set One Year Warranty30-Day Money Back Guarantee! Kaisi Brand full support. 100% Brand new 45-in-1 interchangeable precise manual tool set. High hardness and good toughness. Professional tool kit with anti slip handle and magnetic tips. Portable,Easy to Carry and Storage,Necessary and Convenient in Home for All Series of iPhone,etc. Torx T3, T4, T5, T6, T7, T8, T9, T10, T15, T20 (Removable Mobile phones, Computers, xbox360, etc)