[COMPATIBLE MODELS] 1. Suitable for certain brand 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 come with 4 built-in mounting screw holes for quick and easy installation, enhancing abrasive paper grip. NOTICE: Screws are not included; you can use the existing screws on your sander. [DURABLE SANDING RUBBER PADS] 5-inch orbital sander pads, made of high-quality soft rubber, reduce vibration during operation for improved project finishing. For added convenience, this sander pad allows for easy switching between grits. [EFFICIENT DUST COLLECTION] These 5-inch 8-hole design sanding pads effectively vacuum up dust and debris into the dust bag assembly. Ultra-convenient dust collection feature. [BUY WITH CONFIDENCE] Thank you very much for your support. Product quality and customer satisfaction are our top priorities. If you have any questions, please contact us, and we will provide the best service possible. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so please don��t hesitate to reach out to us with any questions or concerns. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it.