These Neo VDE pliers are manufactured to exacting European standards, individually tested to 1000 volts and approved for working around live circuits that do not exceed 1000 volts. The bi-material handles offer the user improved control and grip, incorporating slip guard shoulders for additional safety. They are made from a heat treated, forged chrome-vanadium steel for long life and have hand ground, induction hardened blades. This 4 piece set contains the following:1 x 160mm combination pliers, 1 x 160mm diagonal cutting pliers, 1 x 160mm long nose pliers and 1 x 160mm wire stripping pliers