- 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 handleREPLACEMENT PARTS:- ICC-ICACS110RB: 110 replacement blade- ICC-ICACS066RB: 66 replacement blade