A punchdown tool, which is also know as an insertion tool or a krone tool, is used to terminate cable to the IDC blocks which are found on the back of many items, such as cat5/cat6 modules and patch panels, telecoms line jack units and 237a strips.- Automatically seats and trims excess wires during punch down action.- Suitable for a wide range of terminal blocks.- Built in a cable cutter- Suitable for Cat.5e and Cat.6 face plates and patch panels