SR-3-This non-insulated rail combo features a stainless steel pumps that can dispense thin syrups and toppings without dripping. It includes (3) stainless steel pumps 82120 and deep plastic fountain jars 82557 and features a brushed finish base that reduces the visibility of fingerprints. 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. When you place your order, be sure to request colored knobs engraved with your contents for a clean presentation. Black knobs are standard. Standard features include: Brushed finish base reduces the visibility of fingerprints (3) Stainless steel pumps with captured valve balls to prevent loss 1 1/4 oz (37 mL) maximum portion, now adjustable in 1/8 oz (3.7 mL) increments -- allows for Portion Optimization , (3) Deep plastic fountain jars.