Grobet USA Swiss Pattern Precision Precision File.
The standard for quality and performance! Also known as square shank needle files, these precision files have most needle file shapes.
Overall length is 5-1/2″ (14 cm) and cut lengths are 1-9/16″ to 2-9/16″ (40 to 65 mm) depending on shape.
Widely used by jewelers, watchmakers, mold makers and precision machinery manufacturers.