Channel style ledges allow for more tray storage- up to 41 full size pans Both channel and angle style ledges are welded to the uprights to withstand continual use. Tie bars are also welded to the uprights for added integrity. All-welded stainless steel construction is easy to clean and provides longer life Choose the caster type that best suits your needs: - Corner mount stem type casters for upright stability - Recessed plate casters for maneuvering in tight spaces Stainless steel is easy to clean and sanitize Ships fully assembled for immediate use right out of the carton