Fits Patron 750ml (will not fit Patron 375 or 1.75), 1800 Tequila, Crystal Skull,
& many others, and some/most 1.75 & 1/2gal.Results can vary, especially with handmade bottles like Patron. Putting the pourer in a frozen bottle can cause them to pop out,
try putting it in before freezing the bottle. Check my store for bug caps and a screened version of this pourer. Fast, Free domestic shipping.