Features:Spring loaded press pin of cooper， which can grasp the conductor of max 4mm thicknessCompatible with all Pomona/ FLUKE banana plug leadsSheathed 4mm receptacle accepts shrouded banana plugs and unshrouded banana plugsCurrent: 2AGripping Diameter: 4mmSize: Approx. 14.3cm x 4.8cm/ 5.63" x 1.89"Color: Red and BlackPackage Included:1 Pair Insulation Piercing Clip Test Probe