High quality tool steel, tempered, with the cutting edges precision ground for even cutting of cable insulation. An easy-to-use adjusting screw allows you to pre-set the stripping diameter for different gauges of wire. The pliers are spring opening, making them even easier to use offering effortless and sensitive handling. This is one of the best examples of this type of tool we have so far come across for the simple stripping of cables and strands of up to a diameter of 5mm or 10mm² cross section. Individually tested protective insulation 1,000V AC, VDE and GS tested. DIN ISO 5743, manufactured according to IEC 60900:2004, length 160mm(6.1/4").