AX-SXR-15 Rack Spaces: 15U Space, Guide Kit: Included Features: -Slide Out rack frame rotates for equipment servicing.-Simplifies installation of larger electronics systems in cabinet.-Frame heights range from 15U spaces (26-1/4") to 43U spaces (75-1/4").-20" useable depth.-450 lb. weight capacity with proper weight distribution.-Integral cable management system provided.-Brush Gasket fills unsightly gaps that may appear between the rack and custom millwork (requires a rough-in width of 19-5/8"). Includes: -Optional Guide Kit includes the Brush Gasket and helps center the rack while protecting millwork (requires a rough-in width of 19-5/8").-Locks closed with included hardware.