[COMPATIBLE MODELS]1. for dewalt orbital sander replacement pad Designed to fit on . 2. Sanding Disc Backing Pads Compatible with: DWE6423/6423K, DWE6421/6421K, DWE6421-B2, DWE6421-B3, DWE6421-BR, DCW210B. Direct replacement for DWE64233 & N329079. [EASY INSTALLATION]Sanding Disc Backing Pads Build-in 4 mounting screw holes for quick and easy installation, and for increased abrasive paper grip. NOTICE: The screws are not included, You can use the existing screws on your sander. [DURABLE SANDING RUBBER PADS]5 inch orbital sander pads, High-Quality The soft rubber can reduce vibration from orbital sander for better work, finish to your project. for added convenience, this sander pad allows for switching between grits. [EFFICIENT DUST COLLECTION]This 5 inchs 8 Hole design sander pads, that vacuum up the dust and debris into dust bag assembly. Ultra-convenient dust collection feature. [BUY WITH CONFIDENCE]Thank you very much for your great support. Product quality and customer satisfaction is our top priority. If you have any questions please , we will provide the best service as we can.