The Amass 27.258.1 part is a set of two red banana connectors/alligator clips, which are used to connect an electrical device to a circuit. They are made of nickel-plated brass and come with gold over nickel-plated alloy steel clamps. The clips are designed with an ergonomic grooved grip surface for easy handling. They are also ROHS (Restriction of Hazardous Substances Directive) compliant and have a current rating of 15A at 20ºC and a dielectric strength of 1500Vrms.