Model 73087 Jumper Test Lead Set Features • Each jumper test lead set includes one sheathed 4mm banana plug to sheathed 4mm banana plug test lead, and one sheathed 4mm banana plug to sheathed 4mm banana jack patch cord. • Flexible jumper test lead sets are perfect for conducting peer-checking system tests with test point check before final connection. • Perfect for use with the 73084, 73085, 73086, and 73088 terminal jacks. • Plug and housing are molded directly to the cable in an intergral one piece design and wire is double crimped for a long lasting connection. • Multi-leaf banana spring is beryllium copper, nickel-plated for extended insertion cycle life and low contact resistance. • High strand count silicone insulated wire offers excellent flexibility and high temperature resistance.