... -15mm 5.good quality and price Product name: grinding feltMaterial: 100% woolSpecification: Product codeDensity(g/cm3) ... special machine parts, the cutting tool, Stainless steel, jade, marble etcCharacter: grinding felt production technique is different with ... polish wooden article, jewelry, glass, stainless steel etc.Quality Management System: ISO9001: 2000, ROHS grinding felt and grinding wheel