Koyo-Sha Co., Ltd. > Products Information > Industrial Products Index > Buffing and Polishihg Compounds Index
SharpEdge - Japanese Kitchen Knives - You will find a block of Koyo "Green Rouge" polishing compound in practically every knife smithery in Japan (and also in other tool-making facilities). Blacksmiths apply
Koyo Blue Label Polishing Compound 100g – The Cook's Edge
KOYO SHA yellow POLISHING BUFFING COMPOUND, 18 Oz (1.2 pounds) JAPAN | eBay