Features: Made of high quality aluminum alloy material, durable and sturdy. Standard for Bowens mount or Broncolor mount. A practical accessory for photography light or softbox. Helps increase the compatibility of your photography devices. Compact and lightweight, easy to carry, easy to install and disassemble. Specifications: Type: Bowens to Broncolor / Broncolor to Bowens (optional) Material: Aluminum Alloy Packing List: 1 * Speed Ring Adapter