Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. The panel is constructed of black painted steel. It accommodates up-inch 24 individual keystones allowing you-inch build a custom patch panel with network audio and/or video connections. This keystone panel fits into a standard 19 inch wide equipment rack and measures 1U tall (1.75 inch).