6 1/4" Barrette Needle File Cut 0 Grobet Swiss Precision is a file Barrette shape, tapered in width and thickness, coming to a point. Only the flat side is cut (Double cut), providing a safe edge and safe top. Total length of the file including the handle is 6 1/4" (160 mm), the actual cutting portion of the file is approximately 3" (76 mm). Width is 0.22" (5.6 mm). Thickness 3/32" (2.40 mm). Cut 0.