PREMIUM QUALITY hexagonal-shank screwdrivers with spherical heads, satin-finished chrome-vanadium steel blades, and precision BLACK-TIP points hardened to a surface hardness of 58 ± 2 HRC, with a torque 20 per cent higher than the DIN 8764 standard. Hypoallergenic, non-slip, soft and comfortable ERGOFORM handles, made from SANTOPRENE®, which guarantees maximum durability for fast and precise work. Size marking on the handle head. Complies with RoHS and REACH directives.