MCLLROY&trade; New 45 IN 1 Screwdriver Repiar Tool Set (Sw1-30) Portable toolkit includes tool handle, extension rod, flexible shaft and 42 mini precision driver bits. 42 magnetic screwdriver bits are carefully selected. perfect accessories for repairing popular electronics like iPhone, Macbook, laptops, digital camera, PC, game consoles, so on. Extension rod insert into the handle to lengthen the tool handle, which is great helpful for when you meet deep set screws. The flexible shaft can be discretionarily bended to reach some blind screws. Its good helper works for some screws not on the surface. All bits are made of supreme chrome-vanadium steel, and specifically heat-treated.