Spice should be in shape of coarse powder, not suitable for seeds and chunky size. On the top of this item is a cover with handle which you can run it by hand. It is prohibited to run it empty to avoid metal friction. Middle part has a built-in mesh to filtrate. At the bottom of it is funnel, and your powdered spice will fall through it and be stroaged into the glass bottle. Made of quality material, it performs well in working. Description This item is a hand mill for grindering powders. It is perfect for coarse soft powder. It is dangerous to run it with empty for it will cause metal friction and get worn. And it also not suitable for combustible or explosive material. Funnel helps collect the powder easily. Feature Color: Silver Size: 56*115mm long Weight: 240g Package includes: 1pc* manual cigarette grinder