Features: Brand new and high quality Metal wrenches are more durable and sturdier than plastic spanners. Its lifetime is longer than plastic spanners. With its help,you lock or unlock MC4 or other connector easily and finish solar panel installation efficiently. It can be used to extend the photovoltaic connectors, photovoltaic solar cable, solar generators, photovoltaic wires, and solar fuses diode of solar panel. The metal spanners are specially designed for assembling and disassembling connectors. It can be used quickly whether you are professional or not. Experience convenience and time saving benefits with the precise design and quick release feature of this connector wrench. It's an essential tool for any solar installation project. Specifications: Material:Aluminium Alloy Size:Approx.88mm/3.46inch Package Includes: 2Pcs Solar Crimping Wrench note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.