... , M.D.F 2. FEATURE High Strength, Heavy Duty Removal, Good 1. APPLICATIONStainless steel , High Alloy steel , Cast ... steel , M.D.F2. FEATURE High Strength, Heavy Duty Removal, Good Toughness,3. MATERIAL :ZA---ZIRCONIUM VSM sanding paper ... CARBIDE DOMESTIC sanding paper--Dimension (MM)----Grit –ZA---- Code----MAX R.P.M----Packing--100x16 (4 INCH ) ... 80FDA180850010 / 200 soft flap disc /flap wheel for steel