【What You Get】: The package includes a professional solar crimping tool special for MC4 solar connectors, applicable to most types of semi-insulated and insulated terminals and connectors, suitable for various projects. 【Durable Quality】: The PV solar panel crimper is made of high-quality 45# steel, after hardened construction, which makes it strong and durable; soft PP crimping handle for comfort, reduces working fatigue. 【Labor-saving Design】: Self-adjusting ratchet mechanism for easy and safe operation. Ergonomic design, soft grip and mechanical force multiplication to reduce hand fatigue during continuous use. 【Easy to Use】: This tool is very easy to use, just insert the top into the correct position and press it. This tool can satisfy different sizes of solar panel PV cables, crimping range from 2.5/4.0/6.0mm²/26-10AWG.