Tenders for Supply of Velcro Type Aluminum Oxide Sanding Disc D Weight Paper Backing, Resin/Glue Bonding With Hole S For Vacuum Extraction, Grit 220 Of Dia 150 Mm 6 Inchesx 6 Holes 10 Mm Dia At A Pcd Of 80 Mm To Specifi Cation No. Is: 715:2002 Amendment No.1 October 2004.