Compatiblity- Wall mount bracket fully compatible with Bose Surround Speakers 700, Lifestyle 650 Home Entertainment System Material- Iron and steel processing, designed to provide unobtrusive wall mounting for Bose Surround Speakers 700. Installation- All hooks are made of rounded corners,touch smooth, easy to install. Package- Sold as pair, all necessary hardware and instructions included. Notice-This is not a product of Bose and the mention of "Bose" is just to demonstrate the compatibility of this product.