Fiwochic 4 Pack 9" Backup Pad for Drywall Sander Hook and Loop Support with Sanding Disc for a Variety of 9" Discs Sanding Systems

["Broad Compatible: Designed specifically for drywall sander compatible with original nuts; This backup pad is also compatible with most standard 9 inch hook and loop sanding discs, making it a versatile replacement choice for various disc sanding systems","Durable Material: made of resilience foam material, offering flexibility and support; This construction helps distribute pressure evenly across the sanding disc, resulting in a smoother, more consistent sanding finish on drywall surfaces and reducing swirl marks","Safety Locking Design: the foam pads have nylon tape on the back, securing them firmly to the original nuts, preventing the pads from loosening or falling off during operation, resulting in safer and more stable sanding results and long lasting durability","Easy Installation: the hook and loop backing allows for quick, tool-free disc replacement; Convenient and efficient disc replacement takes only seconds, minimizing downtime and maintaining an efficient workflow throughout the sanding project","Reusable: the hook and loop abrasive disc can be disassembled and reinstalled multiple times without losing its adhesive strength; Even after repeated removal and reinstallation, the stickiness does not significantly decrease; This reusability helps to maximize the service life of the abrasive disc"]