Grobet Set of 6 Swiss Pattern Needle Files, 5-1/2" Cut 4 Consisting of Barrette, Round, Equalling, Square, Half-round and Threee-Square shapes. Precision files, for exacting work, especially under magnification. Made of the highest quality steel, machined and finished for precision shape, accuracy and balance. Comes in a convenient pouch. Swiss Pattern files means a type of fine file used for precision filing of jewelry, instrument parts, and dies. It does not necessarily mean that all Swiss Pattern files are Swiss made. Used by Professionals