Portable solid steel stump vice for sharpening saw chains in the forest. It is driven into a tree stump or trunk and is used to fix the guide rail. A better sharpening result can be achieved thanks to the chainsaw not slipping. The chain can be moved freely during sharpening. Technical data: https://elecena.pl/product/29321702/18301038-sharpening-files-fb 2025-09-01 https://elecena.pl/product/29321702/18301038-sharpening-files-fb 2026-01-03