Detailed Product Description 1- Abrasives: A/O, S/C,2- Grit: 46-30003- Diameter: 7.5mm-350mm4- Hardness:4P-28P5- Thickness:10mm-200mm6- Quaqlity nylon non-woven fiber7- Glue-quality domestic glue or imported glue with perfect adhesive result8- Abore:Nylon,Plastic,Bakelite,or Aluminium tube