The BlueSpot 20 Piece Assorted Wet And Dry Sandpaper Sheets are suitable for use on metals, painted surfaces, wood and plastic. Specially designed for use either wet or dry. * Coarse grit (150 Grit) is ideal for paint stripping and rough sanding. * Medium grit (240 Grit) is ideal for general sanding. * Fine grit (400 Grit) is ideal for finishing and sanding between paint coats. * Extra fine grit (600 Grit) is ideal for final finishing and sanding between paint coats. Size: 230mm x 280mm. Package Contents: 4 x Course grit (150 Grit) 6 x Medium grit (240 Grit) 6 x Fine grit (400 Grit) 4 x Extra fine grit (600 Grit)