Knipex 97 52 14 Crimping Pliers for non-insulated open plug type connectors - - Amazon.com
KN 97 90 14: Crimp assortment for wire end ferrules at reichelt elektronik
Knipex 9K 00 80 63 US KN | US Crimp System Pliers (97 43 200) + Crimp Die: Solar Connectors For MC4 Multi Contact (97 49 66) + Locator For 97 49 66 (97 49 66 1) Packaged In A Protective Plastic Case | Palmac Tool Company