BU-2031-A-24-0 - 

BNC Male to Stackable Double Banana Plug , Gold Plated Material Contact, Nickel Plated Spring

Type BU-2020 stackable single banana plugs both ends. BU-2030 insulated alligator clip to stackable banana plug. BU-2031 stackable single banana plug to insulated mini-alligator clip. BU-2929 "Ultra-Flex" test leads are laboratory-grade for superior performance and longer life. BU-4444 stackable 0.080" pin plug both ends. BU-5656-B insulated BNC male both ends, black only. BU-5659-B insulated BNC male to BNC female, black only. BU-7070 stackable double banana plugs both ends. Type BU-8080-E series are patch cords for PC boards with 0.025" (0.635) square pins.
Nickel plated steel with durable PVC insulator. Jaw opens to 3/16" (4.7 mm).