JACKY 31 in 1 Magnetic Screw Driver Tool Kit JK 6036 Suitable for a variety of uses such as repair & assembly of mobile phones like Samsung, Sony Ericsson, Nokia, Motorola, LG, HTC and Blackberry Also suitable for watches, PDAs, mp3 / mp4 players, XBox, laptops, computers, PCs, hard drives, printers, other small electronic products and small household items.. BITs: Cross : 1.5, 2.0, 2.5, 3.0,3.5 (Most common Straight heads) Slotted : 1.7, 2.0, 2.5, 3.0, 3.5 (Most common cross heads) Trox : T4, T5, T6, T7, T8, T9, T10, T15,T20 (cell phone, PC, hard drive, printer