18PCS Ti Plated Emery Grinding Bits Chainsaw Sharpener Burr Grinding Files 4.0mm 4.8mm 5.5mm

1、18PCS IN 1 SET: Including 18pcs emery grinding heads with 4.0mm 4.8mm 5.5mm size sufficient quantity to meet more different grinding needs. 2、DURABLE MATERIAL: The emery particles are finely and uniformly polished hard and wear resistant the ti plated surface increases corrosion resistance. 3、EASY TO INSTALL: These grinding heads have 3mm diameter shank and can be mounted on electrical tools such as electric grinder drill etc. 4、APPLICABLE CHAIN: 4.0mm bit is suitable for chainsaw 3/8 chain 4.8mm bit for 325 chain and large 3/8 chain 5.5mm bit for large chain saw 404 chain. 5、MAIN PURPOSES: These grinding heads are commonly used for metal chain and wood polishing and sanding etc which are efficient and durable.