Server Products, SB-2-80160, Serving Bar Base, 2 Jars. This 2-jar Serving Bar base is constructed of a stainless steel exterior, with a one-piece seamless plastic interior and is insulated with foamed-in-place polyurethane insulation. Food can be cooled with ice, two Eutectic Ice Packs or for maximum efficiency, with gel-filled HoldCold fountain jars. This base is designed for countertop use. The versatility of a Serving Bar base is key to its usefulness. Whether you fill it with 2 standard fountain jars or 3 slim jars, the option to swap pump styles and lids with ladles allows you to adapt the serving equipment for ingredients in new menu items.