The 08MM-B4 is a BNC male to RCA female adaptor, which adapts to any BNC female connector to an RCA female connection or vice versa. The B4 can adapt to bulkhead connectors and or cable ends to match the connectors needed to link. Some sources have BNC videos out, and the B4 will allow simple conversion to the more common RCA socket for connection.
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Inner: 1 bag of 10 pieces
Outer: 1 carton of 50 bags (500 pieces)