Compatible machines: The 5-inch Hook & 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 reliably. 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 inch. High efficiency: the sander pad features 8 holes designed to work with sanders that have dust collection systems for effective dust and debris removal. Better quality: premium rubber helps reduce vibration from orbital sanders for improved performance. High-density, uniform hook material provides strong adhesion. The pad features a thickened, durable backing for long-lasting use. Color: Blue + Black Material: Polyurethane Package Contents: 2 x Sander backing pads Only the above package content is included; other items are not part of this package. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.