This insulated bar combo features stainless steel pumps that can dispense thick products with particulates, which typically require chilling. This model includes four stainless steel pumps and deep plastic fountain jars. The brushed finish base reduces the visibility of fingerprints and may be cooled with Universal Ice Packs 100515, HoldCold Jars or ice. Ice packs and HoldCold jars are sold separately.The stainless steel pumps dispense a 1 1/4 oz (37 mL) serving per stroke with the option to reduce the portion size in 1/8 oz (3.7 mL) increments, using the supplied gauging collars. Black knobs are standard.