This cord can be used to connect the Screwlock PC connector on the Nikon SB-24, 25, 26, 27, 28, 28DX, 80DX, 800, 900 and the Canon 580EX II to any device requiring a standard male PC connector.
One common application would be to connect these flash units with a Screwlock PC connector to the 4 channel V2, or V2s style of inexpensive radio slaves sold by Gadget Infinity, and other photographic merchants.
Price: $13.00 + shipping