Bosch delta sandpaper hook amp loop perforated 102 x 6293mm for paint bosch 2608607402 the two part delta sanding sheets from bosch offer a range of grits from 60 to 240 and specialist papers for paint or wood the sheets are perforated for dust extraction and use a hook and loop system bosch 2608607402 delta sandpaper hook amp loop perf 40 g 102x6293mm paint 10pk