D814 Series Impact Tools: Industry standard. Overview: Make effortless, uniform connections with Fluke networks’ D814, all-in-one, telecom punch down tool. Its adjustable impact wheel has high and low settings for any type of termination. Automatic spring mechanism provides right impact to seat and/or terminate wires. Comparent at the end of the tool stores an extra blade. This punch down tool is available alone or in sets with commonly-used blades. Its lifetime warranty is confirmation of its durability.