Features These joining posts are made of a high quality alloy of good electrical conductivity and are insulated with ABS plastic. Totally 5 colors you can use for color coding, for example: red commonly means an active or positive terminal; black indicates an inactive or negative terminal, etc. Connecting posts allow connection of several different types of connections, such as banana plugs or pin connectors Commonly used in electronic test equipment to terminate (connect) a single lead or test lead They are also excellent connectors in speakers and audio amplifiers, as well as on other electrical equipment. Features: These binding posts are made of high quality alloy of good electrical conductivity and insulated with ABS plastic. 5 colors in total that you can use for color coding, for example: red commonly means an active or positive terminal; black indicates an inactive or negative terminal, etc. Joining posts allow the connection of several different types of connections, such as banana connectors or pin connectors. Commonly used in electronic testing equipment to terminate (connect) a single cable or test conductor. They are also excellent connectors in speakers and audio amplifiers, as well as in other electrical equipment. Specifications: Voltage: <1KV Current: <5A Mounting Drilling Diameter: 8mm Socket Diameter for Banana Connector: 4mm Color: Red, Black, Yellow, Green, Blue Quantity: 4pcs of each color (total 20pcs) Package includes: 20 x Binding Posts. Package List