Grobet USA® Swiss Pattern Precision Parallel Barrette Escapement File ; Shape Barrette ; Material Chrome Alloy Steel ; File Cut 6 ; Length 5.5 In ; Thickness 1.2 Mm.

For platinum, stainless steel, exotic plastics, and other hard to file materials. The hardest surface known -Rockwell hardness 72HRc. Better performance on hard-to-file surfaces. Little or no clogging; a simple knock is enough to remove the chips. Highly resistant to corrosion. Longer life than standard files. Longer life than standard files. 5/8 Wide X 5/32 Thick They are simply the best files you can buy. All Grobet products adhere to strict Quality Control procedures at each level of manufacturing.