The B-48-0 is a 48-inch black Patch Cord with Stackable Banana Plugs on both ends, polypropylene insulated, and PVC insulated tinned copper wire, that can be cross and vertically stacked for test versatility. The connector insulation is molded onto the connector and wire for superior strength and durability. Banana plug springs are nickel plated beryllium copper for long insertion life.