- 110/66 Punch down tool - Single blade punch down - Designed for 110 and 66 single-wire termination - High/low impact setting - Suitable for punching down 110 wiring blocks, modular connectors with IDCtermination, 110 patch plugs (on low setting), and seating connecting blocks (on high setting) - Includes a 110 blade and a 66 blade - The blade not in use can be stored in the handle