SUPERIOR QUALITY AND DURABILTY - Precision milled 4-part, 3 grinder made from anodized Grade Aluminum Alloy with a super slim, non-stick nylon O-ring for silky grinding; 100% CNC machined pieces fit perfectly and nylon ring prevents metal-to-metal contact when grinding, preventing residue up and sticking unlike inferior zinc-alloy versions. PERFECT GRIND TIME - Filled with up to 28 sharp "Lion's Tooth" curved diamond teeth to cut and your herb, grinders the optimal coverage and surface area. Precisely sized and placed holes in the second that only herb ground to the proper size falls through to the holding -- to the most out of your rolling experience. VERSATILE STORAGE AND PORTABILITY - The magnetic lid is tightly closed for storage by two strong rare-earth neodymium magnets, the strongest available And, a carrying bag allows you to and securely take it with you Discreet Packaging - grinders in a plain cardboard outer box with no reference to the contents. Your arrives Micrometre SCREEN AND MINI-SCRAPER - A Micrometre screen catches ultra fine in the third and the mini-scraper tool is included for cleaning and to nothing is left behind. colour: gray material: aluminum alloy size: 63mm Package Contents: 1*Grinder Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.