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. Simple, expandable storage for your audio gear The Salamander Designs Synergy Core Module SU20 is great for a simple sound system with two or three components. Anodized aluminum supports and a sturdy top with hardwood veneer finish give it a sleek, minimalist look. The top can support up to 150 lbs., while the lower shelves can each hold up to 75 lbs. And you can customize the rack with a wide selection of Synergy System modular accessories . What's in the Box: 1. Top shelf 2. Bottom shelf 3. Adjustable shelf 4. Rear-panel 5. 4 Posts 6. 4 Bolts 7. 4 Feet 8. 4 Washers 9. 4 Nuts 10. 4 Shelf-pins 11. Wrench 12. Hex-key 13. Assembly Instructions