Model Number Q7B/F: Specifically designed for the Q7 series, this bracket is compatible with both octagon and rectangle softboxes, ensuring a versatile fit for various photography needs. The model is crafted to enhance the functionality and efficiency of your lighting setup. Package Included: Yes, the product comes with all necessary components, ensuring a complete and ready-to-use setup right out of the box. This includes the bracket and additional mounting accessories, designed for quick and easy assembly. Origin Mainland China: Manufactured with precision and care in Mainland China, this product adheres to high standards of production. It combines innovative design with robust construction, tailored to meet the demands of professional photography. Photography Accessories Type: Tools - This bracket is an essential tool for photographers looking to enhance their lighting setup. It's engineered to facilitate quick changes between different types of softboxes, increasing the efficiency of your workflow. Specifications Product Name: Q7 Top-Mount Chuck Product Model: Q7B Product Material: Plastic Compatibility: For Q7 softboxes Product Dimensions: Approx. 21 x 11.3 x 3.9 cm Product Weight: 269 g Color: Black Material: plastic Specification: Q7B Package Contents: 1* Top-mount adapter ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.