Description The MC4 Assembly Tool is a hard plastic material that is very handy for both the assembly of custom MC4 wires, making it easier for new and veteran users to quickly and easily tighten and take apart the connectors. Please Note: The Renogy MC4 Assembly Tool is not compatible with the MC4 Connections found in any of Renogy's Solar Suitcase Products. If you have any questions regarding this product, please submit a case! Key Features Hard plastic Double - quick screw down. Package Includes Renogy MC4 Assembly Tool 1 x Renogy Solar Panel MC4 Assembly Tool Dimensions: 5.5 x 2 x 1 inches Weight: 0.3 ounces Material: Hard Plastic Warranty Information Accessories 1-year material warranty