The Phoenix Contact 1212312 is a high-quality replacement blade designed specifically for the WIREFOX-D 11 stripping tool. This spare knife ensures precise stripping of multicore signal, control, and fiberglass wires with diameters ranging from 2.5 to 11 mm and insulation thickness up to 1 mm. Crafted with durable materials, this black replacement blade is essential for maintaining the efficiency and longevity of your stripping tool, making it ideal for industrial applications requiring reliable wire preparation.