Features 1.Compatibility: Battery terminal connector is fit for SAE JIS Type A Posts, and suitable for wires diameters 4.1 8.2mm/0.160.32in. 2.Stable Connection: This battery terminal connectors have 4 post for wire connections, and designed for multiple cable connections. 3.Strong Electrical Conductivity: Battery terminals are made of tinned brass with good electrical conductivity, which can reduce voltage distortion and transmission loss. 4.Application: 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. 5.Easy Operation: Kit provides wrench for easy installation, easy wiring and strong connection, saving your time and energy. Specification Item Type:BatteryTerminalConnectorsMaterial: TinnedbrassApplication:FitforSAEJISTypeAPostsSuitableforwiresdiameters4.18.2mm/0.160.32in (AWG gauges 1 16) or section 13.5 53.5mm Package List 4 x BatteryTerminalConnectors8 x Copper Terminal2 x Insulation Pad2 x Wrench1 x Cleaning Brush Note Please do not over tighten the screws