The Flower Mill Next Gen Premium Aluminum Series Grinder is perfect for anyone who loves a high - quality grinding experience. Whether you're a casual user or a connoisseur, this grinder is a great addition to your collection. It can be used at home during your relaxation time or on the go. The 2' size is more compact, with a capacity of up to 2g, dimensions of 2.1in (54mm) wide and 1.6in (41mm) high, and weighs 139g. The 2.5' size has a larger capacity of up to 3.5g, dimensions of 2.6in (66mm) wide and 1.8in (46mm) high, and weighs 232g. Its advanced features like the precision pollen screen and high - quality components make grinding a breeze.