Samyo LY-2546B MC4 Solar Crimping Tools Crimper for 2.5-6.0mm2 Solar Panel PV Connectors Cable Application: For non-insulated open plug-type connector Easy to operate while using pliers,just insert the top into its position and press it Satisfy different sizes of solar panel Pv cables 2.5/4/6.0mm2(AWG14/12/10) High transmission of force to reduce the working fatigue according to lever control Length:8.66 Inches. Item Weight: approx 1.08 Pounds