The Strobepro 6.35mm PC Sync Cable connects studio strobes to your cameras PC sync port.
This cable connects the PC sync port of any studio strobe that uses a 6.35mm (1/4") port. Strobepro XPRO Series Strobes use this cable. All other Strobepro strobes use the 3.5mm (1/8″) cable. (Not all cameras have a PC sync port)
6.35mm (1/4″) plug to PC Sync 5 Meters (16.4' feet) Long