黑質硬砂輪 拉絲輪 打磨輪硬質樹脂纖維材料加入碳化硅等製作成，可清楚氧化層和痕跡，油漆，金屬的平焊打磨，效果非常好 Poly-Cleaning Wheel Nylon impregnated with silicon carbide, for pore-deep rust removal, coarse Regraining of stainless steel producing strong, bright finish. Ideal for cleaning welds, removal of rust, paint and coatings, descaling.