Professional Pliers - VDE ApprovedManufactured to the very highest standards of quality and safety. Fully certified to EN60900 IEC 900 standard At a temperature of -20 the handles must withstand impact and shock loads. After 24 hours immersion in water, the pliers must still provide protection against discharges and spark-over at up to 10,000V AC. After 2 hours at +70 C, the pliers must not conduct discharge at a test of 5,000V AC even with a point load of 20N applied. After 168 hours (1 week) at +70 C, the handles must still be firmly secured to the pliers and be able to with stand a 500N pull-off test. The handles must be manufactured from near inflammable materials. This is tested using a gas flame.All pliers are manufactured from high grade tool steel and are hardened using a special high frequency induction process. Cutting capacities quoted according to DIN/ISO5744.