This steel shelf is designed to mount into standard 19' wide equipment/relay racks. The shelf is 2U (3.5' high) and provides about 180 square inches of space (approx 18' wide by 10' deep). The shelf can accomodate up to lbs. weight..gte-ctr .row{margin:0;}1 Year Replacement WarrantyMonoprice™ not only stands behind every product we sell with a 1 year replacement warranty, we offer a day money back guarantee as well! If the product you purchase does not satisfy your needs, send it back for a full refund.30 Day Money Back GuaranteeMonoprice™ stands behind every product we sell with a day money back guarantee! If the product you purchase does not satisfy your needs, send it back for a full refund.Quality at a Fair PriceMonoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.Hassle Free PackagingMonoprice exists to bring simplicity, fairness, and confidence to technology choices. This product features recyclable packaging that is simple to open, cost effective, with minimal waste, and fully protective as it travels to you.