Titanium Herb Grinder 4 piece (2.5 Inches) with Pollen Catcher PREMIUM QUALITY  Our engineers use CNC machines to craft all El Coqui products TITANIUM  Aerospace aluminum with a titanium finish just like space case 4 PIECES  The bottom piece includes a POLLEN catcher HEAVY DUTY MAGNET  This wonderful magnet helps keep the lid on at all times and is built to last SIZE - 2.5 inches in diameter and stands 2 inches tall