黑质硬砂轮 拉丝轮 打磨轮硬质树脂纤维材料加入碳化硅等制作成，可清楚氧化层和痕迹，油漆，金属的平焊打磨，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.