Compatible machines: The 5-inch hook and loop replacement sander pad fits models DW420/K, DW421/K, DW422/K, DW423/K, DW426/K, D26450, D26451/K, D26453/K, D26456, BO5010/K, BO5030/K, BO5031/K, BO5041/K. Replacement pad for 743081-8, 743051-7, 151281-08, DW4388. Sander replacement pad: Hook and loop backing pad allows for quick abrasive paper changes. Easy screw-on installation. Attaches securely and removes hassle-free. NOTICE: Screws are not included. Use existing screws from your sander. Product size: 5-inch diameter, 8 dust holes, and 3 screw holes. Distance between screw holes is 1-7/16 inches. Screw hole diameter is 9/32 inches. High efficiency: The sander pad features 8 holes designed to work with sanders that have a dust extraction system, effectively vacuuming up dust and debris. Better quality: Premium rubber helps reduce vibration from orbital sanders for improved performance. High-density, uniform hook provides strong adhesion. Backing is thickened and more durable compared to standard pads. Color: Blue + black Material: Polyurethane Package contents: 2 x Sander backing pads Only the above package content is included; other items are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.