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