Materials: Abrasives: glass or flint sand Bond:glue over glue Paper: B,C-weight Application: Grinding for bamboo and wood. 粒度Grits： 24-36-40-50-60-80-100-120-150-180-220-240 页状Sheets:230×280mm, 115×280mm, 93×230mm 卷状最大宽度Max Width for roll：690mm 卷状最小宽度Min Width for roll：93mm