Signstek MC3 MC4 Solar Crimping Tools for 2.5-6.0mm&sup2; Solar Panel PV Cable 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. Portable style with perfect handle gripping position,light weight, logical sructure and perfect handle shape design matching human being engineering principle,it guarantees perfect crimping effect. Easy to operate while using pliers,just insert the top into its position and press it.