The selector
Tell us the job.
We'll tell you the grit.
Most projects need three grits — start, middle, finish. Pick yours below for the exact path and the sandpaper we'd reach for at each step.
Strip old paint 40 → 80 → 120
Smooth rough lumber 60 → 100 → 180
Pre-stain hardwood 120 → 150 → 220
Between stain coats 320 → 320 → 320
Between poly coats 320 → 400 → 400
Prep auto primer 320 → 400 → 600
Wet sand clear coat 1500 → 2000 → 3000
Sand drywall mud 120 → 150 → 220
Remove rust from metal 60 → 120 → 220
Mirror-finish metal 600 → 1500 → 3000
Restore plastic 320 → 600 → 2000
Refinish cabinets 120 → 180 → 320
Pro tip
Skip a grit and you'll see the scratches from the last one. The whole point of the climb is the smoothness at the top.