![6 1/4" (16cm) Knife Needle File cut 4 Swiss Pattern](http://perrinwatchparts.com/cdn/shop/files/31-561-300_300x300.jpg?v=1709383564)
6 1/4" (16cm) Knife Needle File cut 4 Swiss Pattern is a knife file, total length is 6 1/4" with a cutting portion measuring 2 3/4". Double cut, the top edge of the knife (widest part) is safe (smooth), tapers to a point. The largest height of the file is 5.3mm, the thickness at the widest part of the file is 1.60 mm. Cut 4.