Increases your efficiency: Wiha MagicSpring® holding function holds all Torx® screws without a magnet. Increases your efficiency: Very slim blade geometry particularly suitable for hard-to-reach applications. Application: For controlled screwing at a specified torque. Extra: Very slim blade diameter for hard-to-reach screws. Blade: High-quality chrome-vanadium-molybdenum steel, fully hardened, matt chrome-plated. Blade: Wiha ChromTop® blade tip guarantees maximum dimensional accuracy. Blade: Color-coded light green.