7pc insulated open end spanner set vde approved manufactured from hardened and tempered chrome vanadium steel each spanner is fully insulated to vde and en 60900 standards to protect from electric shocks up to 1500v dc and 1000v ac covers sizes from 8 to 19mm ideal for technicians working on modern hybrid and electrical vehicles 1500v dc safe live workingalso suitable for electricians and carpenters 1000v ac safe live workingsupplied in carry case manufactured from hardened and tempe