Chain Saw Grinding Head 20pcs High Hardness Easy Installation Grinder Durable Chainsaw Sharpener Cutter for Repair (Silver, 4mm)

Allows flexible application on 7/32 inch wheels and large chainsaw chains like 404, 3/8 inch chains. Mainly apply for grinding, mold processing and repair, engraving, line cutting, welding milling cutter, etc. Adopting emery material through electroplating process, the polishing heads have excellent durability. Specially designed for electric grinder, just need 2 steps to complete the change, very easy. Full and uniform particle distribution allows these files to be sharpened stably and efficiently.