• SAFETY AT WORK: conformity with the European norm EN60900. Tools for jobs of 1000 V in alternating current, 1500 V in direct current. Each screwdriver insulation is tested at 10 000 V. THE VDE-GS control organisation certifies the products conformity with the norm as well as the manufacturing process. This quality is guaranteed by the screwdriver marking: 1000 V AC DVE GS. THE PRODUCTS PERFORMANCE: the blades high insulation is obtained by injection. The blades steel is alloyed with chrome, vanadium and molybden; they are machined and hardened to get the precision and durability of the ends. The bimaterial ergonomic handle allows to gain power (without getting tired).