iFRAME column system easily mounts to floor with just four bolts. Modularity of system allows additional racks to be installed by adding more iFRAME columns at later date. Columns mount on 2 foot pitch to align with floor and ceiling grids. iFRAME column weldment, 1 bottom alignment installation aid and 1 iFRAME top plate floor template, 1 full height front cover with 4 heavy-duty floor anchor washers dual-acting hinges and 2 dualacting front cover hinges (not included in IS7E), 20 #12-24 x 5/8-inch dog point machine screws, 4 4-inch gates (Catalog No. VCG4) and washers, 12 snap in place cable routing spools, and 1 assembly hardware kit.