Phoenix Star Aluminum Grinders 2.5'' PHX594 is an easy to operate and convenient to carry tool with 2.5 inches diameter, suitable for your pocket. So this herb grinder is very portable when you are outsides. The compact grinder is also made of maximum-strength aircraft grade aluminum with a comfortable hand feeling. When you need smaller herbs, only put dry herbs into it and rotate the top cap to get the ideal herbs after grinding. The small herb grinder has a printed Phoenix logo inner box. And there are seven colors: grey, brown, silver, orange, green, red and pink available. If you want to improve hits via hand pipe or roll-up, Phoenix Star dry herbs grinder is an essential tool to crush dry herbs into smaller bits for better smoking.