[Fine #240 Single Item]

[Coarse #60 Single Item]

Product Description

Surface polishing, rubbing and polishing. A whetstone that is not hardened. This is a highly versatile product that is made of carborundum GC that is kneaded with oil, and removes rust from polishing the valve and shaft to removing the rust. Carbonundum GC (Green Carbonundum): GC is a green silicon carbide polish with high SiC purity. It is an excellent abrasive that has hardness second only to diamonds, and its own sharpness through crushing. It can be used for a wide range of purposes, from polishing carbide metals and cutlery to polishing soft metals and resins such as brass, copper, and alloys.

Amazon.com Review

●固めていない砥石です。
研磨材カーボランダムGCを油で練ったもので、バルブ·シャフトの研磨からさび落としまで、研磨、研削を目的とした大変用途の広い商品です