5 1/2" (14cm) Joint Round Edge Needle File cut 4 Swiss Pattern is joint round edge file, total length with the handle is 5 1/2", with a cutting portion measuring 2 3/4". Double cut on the rounded edge, smooth (no cut) on the flat sections, does not taper, width of the file is 4.90mm, thickness at the edge 1.35 mm. Cut 4.