ODYSSEY LY-2546B MC4 Solar Crimping Tool For Crimp 2.5/4/6mm2 Solar Panel PV Cables Application: For non-insulated open plug-type connector Model: LY-2546B MC4 Solar Crimping Tools Crimping Range: 2.5-6mm2 AWG:26-10AWG LY-2546B Series Solar Crimping Tools is an industrial quality Multi-Contact Tool for Crimping MC4 Male and Female Solar Contacts to crimp 26-10AWG pins(2.5~6.0mm2)