... Z0, PZ12). 4 Heads Philips PH000, PH00, PH0, PH1 (Most common cross heads)3). 7 Heads Straight 1.0, 1.5 ... .0, 2.5, 3.0, 3.5, 4.0 (Most common Straight heads)4). 8 Heads Hex 0.7, 0.9 ... !! Jackly 31 in 1 Screwdriver Set Mobile Phone Repair Kit Tools Magnetic HeadT3 T4 T5 T6 T7 T8 T10 T15