Features: 100% Brand new 54 Magnetic Bits meet your various repairing needs. Perfect for repairing all popular laptops, cell phones, game consoles, and other electronic devices Highly Adjustable & Effortless. Replaceable bits and nut drivers allow you to handle various repairing occasions. Along with a flexible spring-loaded extender and an extendable shaft Flexible Spring-Loaded Extender ensures tighten and remove screws and nuts around tight corners. The bit holder can actually extend out to 5 different lengths with extension shaft Ergonomic & Non-slip Designed handle with rubber gripis comfortable and steady for repairing operation Premium Workmanship. High qualitychrome-vanadium steel ensures enough hardness to hold up under constant use. Made of industrial standard ABS materials, the crystal case is protective and portable with good locking Specification: Material: Chrome-vanadium steel Color: As picture shows Bits Include: Nut Driver 2.5, 3, 3.5, 4, 4.5, 5mm Hex sizes 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 3.5, 4mm Pentalobe Sizes 0.8, 1.2mm Square sizes SQ0, SQ1 Torx sizes T3,T4,T5,T6,T7 Torx security T8, T9, T10, T15, T20 Tri-point 2,3mm Phillips sizes PH000,PH00,PH0,PH1,PH2 Triangle size 2,2.3 mm Flathead size 1,1.3,1.5,2,2.5,3,3.5,4mm Pozidriv size PZ000,PZ00,PZ0,PZ1,PZ2 Spanner size 2.6mm SIM Eject Bit 1mm 4mm to 1/4 inch adapter 60MM Extension Bar +Screwdriver Handle 130MM Magnetic Flexible Extension Bar What is included: 1x 58 in 1 Bit Driver Kit