About This SNAPS ON SECURELY - Comes with 9 Neodymium magnets line the ring so it snaps flawlessly to your basket. The magnets are pressed to fit directly to the ring, and no glue is used EASY TO LIFT - Inspired by the filter lens used for camera design, the side edge knurling provides a more textured grip. Remove the funnel with ease after dosing PREVENTS GRIND LOSS - Let you grind directly into the basket without spills. Made with Anodized Aluminum assembly for durability while remaining lightweight USE WITH YOUR WDT - It's ideal for those wishing to use a WDT tool to break up clumps in your grinds while preventing spilling SUITABLE FOR 58MM PORTAFILTER - Made to work with fellow Normcore products, and generally other 58mm series portafilters Overview Material : Aluminum Brand : Normcore Color : White Product Dimensions : 2.95"W x 1.1"H Wide End Diameter : 62 Millimeters