... : S2 steel Can work on Screw of PH#0, 1, 2, 3, 4 and PZ#0, 1, 2, 3, ... Key Specifications/Special Features:S2 through hardened, chrome-plated tipHand with triangular structure and torsion has increased by 30% or moreTwo ... static and magnetic handle and bladeRotating cap for easy workingResistant to mechanical wearThermal shock stress and acidic corrosion S2 Precision Screwdriver with Chrome-plated Tip ...