This multi-bits screwdriver sets includes 116pcs 4*28mm magnetic bits set(Torx bit, hex bit, nut drivers, star screwdriver bit, tri-wing bit, Torx security), 12pcs 4*28mm socket screwdriver bits, 4pcs 4*45mm Phillip bits and flat head bits, adjustable screwdriver handle, soft extension shaft, precision tweezers, opening tool kit and about 20pcs phone emergency screws.