The Server Products 83120 Condiment Syrup Pump is designed for efficient dispensing of thick condiments and craft sauces from a gallon jar. It features a 110 mm (4-7/16") diameter that fits securely over jar threads. This pump dispenses 1 oz. per stroke, with the option to reduce the portion size in 1/8 oz. increments using the included gauging collars. The non-threaded stainless steel lid sits over the jar threads for a secure fit, while the durable stainless steel pump ensures longevity and reliability. NSF certified for safety and quality, this pump is an essential tool for any food service operation.