Standard layout¡êo Whole welded frame, nine bend, 1pc 2castor bracing plate 4pcs 3heavy castor and support feet 4pcs 4high vented single front door 1pc 5high vented double open rear door 1pc 6.Screws 40sets optional accessories: bottom seal plates fixed shelfcantilever shelfkeyboard shelf fan unit¡ê¡§600depth, 2pcs¡ê¬800 depth and above 4pcs or 6pcs¡ê©pduconnecting kits