金刚石干磨片Diamond Dry Polishing Flexible Pads Item Number 直径Diameter 厚度Thickness 目数Girts 工作方式Method Inch mm YL-C004 4＂ 100 1.1mm #50 #100#200 #400#800 #1500#3000 干磨Dry Polishing YL-C004 5＂ 125 1.1mm