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 p ography 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 p ography. P ography Accessories Type: Tools - This bracket is an essential tool for p ographers 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: Q7F 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: Q7F 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.