Bnc female to dual 4mm binding post truconnect 17 2864 this quality adaptor converts double banana jack test instruments to female bnc and permits single or double inline banana plugs to be used with equipment having a bnc male the coaxial configuration is for added shielding protection the bnc centre contact is gold plated brass for low contact resistance the body of the adaptor has cross holes to provide stack up connections the binding posts are ideal for other wiring configurations a