Uber Bar Tools ProJig Multi Measure Jigger can measure up to twelve different volume combinations. A standard cocktail jigger will measure only four volume combinations. ProJig is the ideal bar tool for making multi-volume drinks that are difficult to accurately dispense. The angled jigger lip provides for clean, directed pour streams, making it easier to pour into a glass without spillage. The wide mouth design reduces miss-shooting. Made of long lasting, durable Polycarbonate. Measure 1/4, 1/2, 3/4, and 1-1/4-Ounce volumes in up to 12 different combinations.