ELU DeWalt Orbital Sander Backing Pad ES55E DW423 DW421 DW423 D26453 D26451

ELU DeWalt Orbital Sander Backing Pad ES55E DW423 DW421 DW423 D26453 D26451

The backing pad helps to allow the airflow behind the sanding disk, the increased air allows debris to flow out of the way allowing for a cleaner contact with the material you are sanding, you would need to replace this when the sanding sheet stop sticking to the pad or when broken.

Please see below applicable models