Gain Unrestricted Rear Access to Equipment & Cabling. - Pull-out frame rack saves time & reduces labor - Frame heights range from 10 sp. (17.5") or 15 sp. (26.25") to 43 sp. (75.25") - Available in 16", 20" or 26" depths - Available in 2 extension lengths: 25" or 48" - 650 lb. weight capacity with proper distribution - Mechanically interlocking corner for exceptional strength - Heavy-duty 13-gauge steel top & bottom - 2 pairs fixed-position 11-gauge threaded 10-32 front & rear rackrail - Cable Management Tray provides additional capacity for large cable bundles - Brush Gasket fills unsightly gaps that may appear between the rack and custom millwork (requires a rough-in width of 19-5/8") - Finished in a durable black powder coat