DSD-1T-YHS Double Strobe Dolly, and Y cord, thumb screws with rubber washers. Includet (T) transmitter mount and 1 articulating arm. This bracket and cable will give you a one stop increase in light when using two flashes (at maximum power on manual), by setting both flashes at half the required power, recycle time is cut in half from what it would be when using only one flash.