This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. Wall-mount your Salamander Designs cabinet These sturdy steel brackets let you wall-mount your Salamander Designs Synergy twin-width cabinet . Mounting hardware for wall studs and masonry are included. What's in the Box: 1. 3 Brackets 2. 8 Screws 3. 8 Washers 4. 8 Anchors 5. Installation Instructions