AD-E2 The AD200 holder is stable and sturdy. It has a universal 1/4 inch screw, so you can mount lamps from the AD family or other compatible units on lightstands. Convenience With three locking knobs, you can set any angle of the lamp, and the mount itself has a hole for a photographic umbrella. Stably and securely The holder uses a mounting system that guarantees stability between the flash and the light stand. In package: 1x AD-E2 holder, original packaging.