Materials: Abrasives:aluminium oxide Bond:resin over resin Cloth:J-weight twill cotton cloth Application: Polishing wood,plastics,vineware,andalso for metai polishing by hand. 粒度Grits： 40-60-80-100-120-150-180-220-240-280-320-400 页状Sheets：230ⅹ280mm 卷状最大宽度Max Width for roll：1400mm 卷状最小宽度Min Width for roll：25mm