The 3782-48-2 is a 48-inch Minigrabber? Test Lead with test clip to 4mm stack-up banana plug. The first end stacking banana plug with beryllium copper contact, gold-plated contact, stainless steel spring, glass filled nylon insulation, 20AWG stranding PVC insulated 2.21-inch outer diameter wire. The second end stacking banana plug with beryllium copper spring, nickel-plated brass plug body, polypropylene moulded insulation for plug body and wire. Provides a Minigrabber? output from a banana jack.