8" long, Enables use of two-pin remote accessories: MC-4A, MC-10, MC-12B, ML-2 and AR-10.The MC-25 converts the 10-pin system of the D1 Series, D100 via MB-D100, F5, F100, F90, F90x, cameras to the 2-pin system found on the MD-4 Motor Drive & other combinations. This is used in conjunction with the Remote Cord MC-12A/12B, Radio Control Set MW-2 and Modulite Remote Control Set ML-2 to provide compatibility with the 10-pin system cameras.