Metal Rack Enclosure with wheels. Fully welded 16-gauge construction with 1/8" thick structural steel internal braces and smooth-rolling 4" locking cushion casters Available with solid locking front door, or with graphite laminate top and plexi front door. Available in 14 spaces and 21 space heights. Call AV Now for details and special order information. Heavy-Duty metal rack enclosures with wheels. Product highlights: Fully welded 16-gauge construction 1/8" thick structural steel internal braces Smooth-rolling 4" locking cushion casters Available with solid locking front door, or with graphite laminate top and plexi front door Standard key-locked front & rear doors Rubber-padded spring loaded recessed handles Infinitely adjustable 10-32 threaded 11-gauge rackrail 500 lb. weight capacity Durable textured black powder coat finish Warranty: Lifetime warranty View: Universal Front Door Hinge Installation Guide Specs Product Specifications # of RU Useable Height Height (Without Casters) Overall Height UseableDepth OverallDepth 14 24.5"(14 space) 28.62" 33.75" (including casters) 21.5" 23" 21 36.75" (21 space) 40.87" 46" (including casters) 21.5" 23"