Checkering Flat Files – Vallorbe®
A Checkering File is used to make ‘Jimping’ on the spine of a blade. It provides a better grip by giving the users thumb (or sometimes an index finger) something to bite into as it slips over the blade while working the knife. A checkering file is used to make true, accurate line spacing when checkering backstraps, triggerguards, grip frames, ribs and hammer spurs; anywhere an improved gripping surface is needed. Finer cuts give a nice matting effect to reduce glare and light distortion.
The procedure is very similar to wood checkering. Layout your master lines, then establish the pattern by moving the file a few teeth each time using the previous lines as the guide. Once the pattern is fully laid out, bring to final depth with a 60° needle file.
Notches down the spine of a blade created to provide grip on a knife beyond the bolster. Many knives, especially pocket knives, have very shallow or widely spaced non-functional notches that are used solely for aesthetic purposes.
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As global benchmarks, Vallorbe® files are characterised by their unparalleled quality, their point filed right up to the end, grinding capability, precise dimension and high-quality steel.
They have therefore become indispensable in numerous sectors, including industry, forestry, jewellery, watchmaking, blacksmithing and luthiery.