This is the Park Tool CN-10 Professional Cable & Housing Cutter. The CN-10 Cable and Housing Cutter is a shop quality cutter designed specifically for use on all bicycle cables and housing, including hard-to-cut index housing. Features: Cold forged, heat treated steel handles for strength Precision ground cutting jaws for a clean cut on every cable Built in crimper for cable end caps and forming hole for reforming housing ends and housing ferrules Wire latch holds handles together when not in use