Push back again pallet racking systems are great for: Warehouses that want selectivity of selective racking, but versatility and superior-density storage of push-in pallet racking. When developing a pallet rack system, a lot of the aspects you would like to comprehend are: overall # of SKUs, total # of pallets, pounds http://www.harderfaster.net/?sid=5ae9faea57bd9f863a45ed092135b5e6§ion=forums&action=showthread&forumid=1&threadid=309467&pagenumber=last