Use the BigFun! 4 Piece Grinder whenever you want to enjoy a smooth and efficient grinding process. It's great for both casual users who like to have a little fun on - the - go and those who need a reliable grinder for larger sessions. The grinder comes in four sizes: 2" Small, 2.2" Medium, 2.5" Large, and 3" XL. So, no matter if you're in a tight space or need to handle a large amount of material, there's a BigFun! grinder for you.