During the Offertunities from 22 September 2025 to 5 October 2025, Coolblue has the best sander promotions. Sand large surfaces with a random orbital sander. For sanding walls and floors, use a drywall sander. Want to do several sanding jobs? A multi-sander is the best choice for you. That way, you can be sure you have the right sander for every job.