DCOU 40mm Aluminum Herb Grinder With Removable Pollen Catcher For Tobacco - Pollen Scraper Included - 4 Piece, Mini, Black THE ULTIMATE POCKET GRINDER - Mini size has a diameter of about 1 1/2" or 40mm, weighs less than 4 OZ, good size for carrying without being a burden (weight or volume). ONE COLOR = ONE PIECE - Our grinders all made from One Piece of aircraft grade aluminum. each piece is CNC'ed From One Piece Of aluminum. The lid and teeth are One Piece. The second part with teeth and holes - One Piece. Other grinders with inner silver aluminum color teeth are made from Two Pieces. The teeth are PRESSED IN - Cheap And Unreliable. UNIQUE TEETH AND HOLES - Unique designed teeth get more pollen, providing a more fluid and high-end experience to both new and experienced users. UNTHREADED DESIGN - The traditional grinder has threads between compartments, when it's frequently used, the threads may get messed up. There is no this problem of our grinder, it will be with you for a long time. DCOU CUSTOMER SERVICE - Order from a premium brand that has a reputation for standing behind its products. Our customer service team answers all your questions promptly. We keep you HAPPY and SATISFIED.