Review on 1Oz/30Ml Automatic Quick Shot Spirit Measure Pourer Drinks Wine Cocktail Dispenser Home Bar Tools - Yellow (6 Pack) by Kevin Flores

Not that I care, because I pour to cover the ice, but if I were a bar owner, I would be disappointed at the erratic pours and how some customers were short-changed and others over served. I've used these with water, wine, and whiskey, and it seems to make no difference. It will pour anywhere from 1/2 oz. to 1-3/4 oz. based on pours into a measure graduated in ml, oz., tsp, etc.