[EXTENSION UNIT] Keg Rack, 48-3/16" W x 17-3/8" D x 55" H, 6 Keg (18 Sixtel) Storage Capacity, (1) 17x48" Keg Shelf & (1) 17x30" Middle Upright, Must Be Used With SKS Profile Only, Welded Keg Stop Standard on all Keg Shelves, Kegs Sit Directly on Floor and Keg Shelf @ 31.5” AFF, Galvanized Steel Construction, Assembled with Grade 5 Hardware, Made in USA, Ships Within 5 Business Days of Order & Deposit