The Metz Mecablitz System SCA 3000 A Connecting Cable is a high-quality accessory designed specifically for Metz flash guns, such as the 5591 model. Made by the reputable brand Metz in Germany, this connecting cable ensures reliable and seamless connectivity between your flash gun and camera, allowing for precise and professional lighting setups. Included in the original box with insert, this cable is a valuable addition to any photographer's gear collection.