Quickly measure out liquor for cocktails with these commercial grade 304 stainless steel double-sided jigger with a copper plated exterior. Different measurements with just one flip.
 
This jigger is marked with ounces on the outside, including 2 oz, 1 3/4 oz, 1 oz, 3/4 oz, 1/2 oz, and 1/4 oz, while the inside is marked with milliliter volumes of 7.5 ml, 15 ml, 22.5 ml, and 45 ml.