This Swiss Pattern, Joint Round Edge style, cut 4, 16cm long needle file is parallel in width and thickness and cut only on the rounded edges. These needle files are used for precision filing of small areas and for miniature work. Teeth are sharp and cross-cut, assuring even filing. Recommended for both soft and hard metals, including platinum. Handles are knurled to provide a sure grip. Made to the demanding standards set by Grobet USA® in their factory in Italy.