Featuring a auto adhesive 6 hole design with reinforced backing, these discs securely attach to power sanders while optimizing extraction for smoother, cleaner finishes The aluminum abrasive maintains consistent grit across extended use, reducing replacement frequency for cost effective workshop operations Ideal for professional contractors and DIYer enthusiasts tackling large scale renovations or detailed furniture restoration projects Upgraded your sanding projects with 50pcs premium 9 " aluminum hook & loop sanding discs, engineered for 50% faster materials removal on wood, and metal surfaces handle demanding applications like smoothing plasterboard seams, refinishing hardwood floors, or prepping metalwork for industrial coatings