Andoer 3.5mm to Male Flash PC Sync Cable Cord with Screw Lock for Canon Nikon Sony DSLR Camera and Pocketwizard Miniphone PC1 Professional spring PC sync cable- can be extended to 1M. Sync cable provides a stable connection for your flash triggers. Used to trigger external flashes. 3.5 mm jack plug to male flash PC sync with screw lock to provide a stable PC connection.