Size - 12pcs mini chainsaw teeth sharpener, 5/32" 4mm diameter, 20mm grinding head length, 3mm shank dia.
Material - Made of diamond coated ceramics, excellent grinding effect with long service life, not easy to wear off.
Application - These grinding stone files are good for chainsaw teeth sharpening, also for metal surface polishing, wood and jade shaping, electric saws, glass, steel, and more.
Feature - The ceramic grinding bits are easy to install, used with an electric grinder to easily sharpen your saw chain.
Note - With finely and evenly diamond grains on the drill bit, the chainsaw grinding file is also suitable for high-precision work.