Signstek MC4 Solar Crimping Tool for Solar Panel PV Cables Crimp 2.5-6mm2 Connector Cable/Solar Panel DIY Self locking and releasing mechanic unit. Hardened and durable steel construction for years of reliable services The design of accurate crimping moulds and complete locking ensure high of crimping quality when crimping repeatedly. High transmission of force to reduce the working fatigue according to lever control. It's easy to operate while using pliers,just insert the top into its position and press it. Self locking and releasing mechanic unit. Hardened and durable steel construction for years of reliable services High transmission of force to reduce the working fatigue according to lever control. Perfect for Crimping MC4 male and female solar contacts, used for the cable(2.5-6 mm2) The design of accurate crimping moulds and complete locking ensure high of crimping quality when crimping repeatedly. Portable style with perfect handle gripping position,light weight, logical sructure and perfect handle shape design matching human being engineering principle,it provides perfect crimping effect . AWG:26-10AWG Crimping Range: 2.5/4.0/6mm2 Handles materialABS Material of main bodyS45C Interface MaterialAISI4140 HardnessHRC453 Length230MM Weight0.6KG Model: LS-2546B MC4 Solar Crimping Tools