Product name: projector mount Product material: cast iron + carbon steel. Load capacity: 6.61LB/11.02LB. Quickly: 1. Please check the size and color before purchasing. 2. Please note that due to different monitors, there may be slight color differences, please forgive me. 3. Refer to the above data, manual measurement may be wrong, please refer to the actual product, thank you. 4. This product does not include items other than the projector mount. 5. If you find any problems with our products, please feel free to contact us by email, we will solve this problem ASAP. 6. Welcome to your sharing and feedback so that we can provide you with better products and services. 7. Thanks for visiting my store, click to enter my shop, many products for your reference, logistics, we will usually transfer 1-3, estimated delivery time is 9-15 days. Can be used by musicians, DJs, artists, engineers, teachers and students, etc. Our projector fits well in most home and office environments, offices, meeting rooms, living rooms and bedrooms.