... and provides great torque. Particularly environmentally friendly plastic,comfortable operation.3. Screwdriver rod made from senior chrome vanadium steel, hardened ... , hard drives, printers, XBOX, XBOX360, shaver)Hexagon: 1.5,2,2.5,3,3.5,4 (discounted model, bike, engine, machinery)Y ... 0 (demolition handheld computer, mobile phone use)Word: 1,1.3,1.5,2,2.5,3,4 (most commonly used)Cross: PH00, PH0, ...