Double column trolley amp tray kit constructed of 25mm sturdy 18 gauge square steel tube with slots at 25mm intervals, complete with top . Patented lug, prevents the runner being knocked out when there are no trays. Patented slots for adjustable tray runners and shelf clips. Full width runner support for tray. Comes complete with 10 shallow trays in a choice of colourssee below. Trays runners are height adjustable depending on the height of contents. Add deep, extra deep amp jumbo depths of trays within the framesee below. Deep tray is equivalent to 2 x shallow trays, extra deep tray is equivalent to 3 x shallow trays, jumbo tray is equivalent to 4 x shallow trays. Fitted with heavy duty 75mm castors fitted into solid steel blocks for extra strength. Scratch resistant grey or beige epoxy coating with a matt finishsee below. Dimensions 71wx42dx73hcm. 1 year warranty. Select frame colours grey, beige. Tray colours red, blue, green, translucent, yellow.