12-10 gauge 0.250" width female high-temperature non-insulated quick-disconnect terminals. One steel construction and nickel plating provides reliable electrical connections at temperatures up to 900° F. Also known as slip-on or fast-on connectors, these quick-disconnect terminals offer the fastest way to connect and disconnect two wires. They are also reusable. Simply slide the male terminal into the female terminal. Requires only one crimp onto the wire.