Professional Repair Tool Kit: The 57 Piece Screwdriver Bits and Extensions Tool Set allows you to open and repair all electronic devices such as Laptop, Tablet, Cellphone, iPhone, Computer, MacBook Air and other items. With Torx security bit T6, T7, T8, T9, T10, T15, T20. Convenient and Variety of Bits Kits: 54 different types of bits, made of Cr-V steel. Harder than normal products, ensuring durability and long-term use. The bits are sturdy, durable and will not be easily broken. The small screws can be easily unscrewed with the drill bits and will not be stripped. TIge Extension cord and non-slip conductor: The electronic repair kit is equipped with an extension rod. The unique non-slip handle is made of aluminum. It also has a ball bearing mounted swivel plate to make your task or job easier. Flexible Adapter and Screwdriver Rod: A precision screwdriver set includes a flexible rod, ideal for working on stereos, as well as for large electronic components where the screws are not on the surface. Easy Portability and Operation: The precision screwdriver set comes in a compact durable box with a lightweight design. It is easy to store in the office, at home, or easy to transport. 57 Piece Screwdriver Set Pentalobe sizes P2, P5, P6 (iPhone, MacBook Air, MacBook Pro) Slotted sizes 1, 1.5, 2, 2.5, 3, 3.5, 4 mm - Triangle size 3 mm - Torx sizes T3, T4, T5 0.8mm Round Tip - Three Wing Sizes Y0, Y1 Phillips sizes 000, 00, 0, 1, 2 - JIS sizes 000, 00, 0, 1 Security Torx T6 T7, T8, T9, T10, T15, T20 (Compatible with non security) Hex Sizes 0.7, 0.9, 1.3, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 6.0mm 0.8mm round point - Square sizes SQ0, SQ1, SQ2 Adapter 4mm to 1/4 inch - Nut driver 2.5, 3, 3.5, 4, 5, U (+ -) 56mm extension and 145mm flexible extension bar 97mm magnetic aluminum handle