![7 3/4" Half Round Needle File Cut 4 Swiss Pattern](http://perrinwatchparts.com/cdn/shop/files/31-30930-300_300x300.jpg?v=1700571527)
7 3/4" Half Round Needle File Cut 4 Swiss Pattern is a 1/2 round file, total length 7 3/4", with the cutting portion measuring 3 1/2". The width of of the widest point is 6.80 mm, tapers to a point. The thickness at the widest point is 2.45 mm. Double cut. Cut 4