The Elinchrom-Profoto Reflector Adapter enables use of all Elinchrom accessories on all Profoto heads. The Elinchrom EL Profoto Adapter is a versatile unit designed for connecting flash heads from both Elinchrom and Profoto brands. This adapter allows users to seamlessly integrate the two brands' equipment, providing a convenient solution for photographers and professionals needing compatibility between their setups. With a simple and efficient design, this adapter from Elinchrom ensures a secure fit for your flash head, making it a reliable accessory for those working with multiple brand equipment. In great condition, I bought second hand but haven’t used it.