Feature 1Compatibility: Battery terminal connector is fit for SAE JIS Type A Posts, and suitable for wires diameters 4.1 8.2mm/0.160.32in. 2Stable Connection: This battery terminal connectors have 4 post for wire connections, and designed for multiple cable connections. 3Strong Electrical Conductivity: Battery terminals are made of tinned brass with good electrical conductivity, which can reduce voltage distortion and transmission loss. 4Application: Battery terminal connectors can be used for cars, vans, RVs, truck batteries, car stereo, etc. Just make sure to connect the correct terminals with the correct polarity. 5Easy Operation: Kit provides wrench for easy installation, easy wiring and strong connection, saving your time and energy.Item Type:BatteryTerminalConnectorsMaterial: TinnedbrassApplication:FitforSAEJISTypeAPostsSuitableforwiresdiameters4.18.2mm/0.160.32in (AWG gauges 1 16) or section 13.5 53.5mm .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List4 x BatteryTerminalConnectors8 x Copper Terminal2 x Insulation Pad2 x Wrench1 x Cleaning BrushNotePlease do not over tighten the screws