blade: premium hard chrome vanadium steel, entirely hardened and tempered blade chrome plated, blackened tip handle: ergonomic shape handle - polypropylene hanging hole made according to standard DIN ISO 2380-1:2006 and DIN ISO 2380-2:2006 made according to standard DIN 5264 Ergonomically designed handles The superior quality of materials used in the Unior line of screwdrivers is complemented by ergonomically designed handles to provide an excellent hold. Three-component handle With its combination of soft and hard surfaces, the special, three-component handle a Unior patent ensures comfort and efficient performance with minimum strain on the wrist while working. Slip-proof grip Able to fit a variety of screw profiles and exhibiting innovative three-component handles, UNIOR screwdrivers ensure great efficiency and a slip-proof grip. Standards DIN ISO 2380-1:2006 and DIN ISO 2380-2:2006 Documentation Flat screwdriver CR - 605CR