... with)M shape (U shape, furcated) : U6 (devanning part of Japanese mobile phone, homeappliance)Pentagon: 2.0 (open handheld computers, mobile ... 5, 2, 2.5, 3, 4 (is the most commonly used)Cross: PH00, PH0, PH1, PH2 (also is the most ... removed withPrecision instruments, cell phone, computer maintenance tools and unity high quality precision telecommunication tools 32-in-1 Pocket precision screwdriver set