These Swiss-made, high-precision durable files by Glardon Vallorbe are manufactured from chrome alloy steel and heat treated by a special process to guarantee sharper teeth for outstanding cutting performance on all hard and soft metals, including platinum. They are parallel in width and gently tapered in thickness. The over-cut is parallel to file edges and uncut is 90 degree to over cut. Checkering files are used for putting serrations on knife edges and to obtain a checkered designs. Longitudinal cut and right angle cross cuts on the top and bottom faces only. These files have different teeth or lines per square inch standards than ordinary precision files. Cut 1; medium/coarse. A x B (mm): 20.3 x 5.0. Lines Per Square Inch (LPSI) & Lines Per Square Centimeter (LPSC): Cut 1 - LPSI: 40, LPSC: 16.
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