This tool is designed for both 110 and 66 single-wire termination and can be
easily switched between high and low impact settings. The low impact
setting allows punching down 110 wiring blocks, modular connectors with
IDC termination and 110 patch plugs and its high impact setting is used
when seating connecting blocks onto wiring blocks. It comes with both
blades stored in the handle. Includes both a 110 and 66 blade