- Delivered as an assembled system in MRK, WRK-SA, or ERK enclosures - Allows equipment bays to be placed against a wall or back-to-back - Pull-out frame rack saves time & reduces labor - Available in 26" and 20" depths (front to rear rail) - Available with 48" extension - Seismic certified for protecting 520 lbs. essential equipment when in MRK host cabinet (order part# suffixed by 'Z4') - 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 - Finished in a durable black powdercoat - Full depth front & rear mount AXS rack shelf available