Knipex esd electronics diagonal cutters carbide edges 120mm130mm knipex 77 02 120 h esd these 120mm l esd electronics diagonal cutters from knipex have been designed with inserted carbide metal cutting edges making them effective for hard or tough materials eg piano nickel tungsten and diode wire manufactured to a high standard with precision carbide metal cutting edges soldered into forged blanks offering a longer service life than other cutters with conventional cutting edges