Precision milled 4 piece, 3 chamber aluminum hand crank grinder from our factory. Range of grinders for dried herb, spices and tobacco. Fixed Hand Crank mechanism will not loosen over time unlike inferior folding versions.Razor sharp “Lion’s Tooth” curved diamond teeth cut and fluff your herb – ensuring the optimal surface area is exposed. The Non-Stick Nylon O-ring ensures smooth grinding, preventing metal-to-metal contact and residue build-up. You LOGO or artwork can be printed on it.