Specification: Material: Rubber Dimensions: 4.7 inches in diameter Color as shown Package Included: 2 x 4.7" 8-Hole Replacement Sanding Pads Universal Replacement Pad: 4.7" hook and loop replacement pad has 4 holes for screws and 8 dust extraction holes, fits most sander back pads; the distance between center to center of pad screw holes is about 1.5 inches. Confirm the size before purchasing Suitable for various sanders: If your sander is not a specified brand or model, please verify compatibility based on the following details: 4.7 inches in diameter, 8 dust extraction holes, and 4 screw holes, especially the distance between the screw holes (center to center 1-1/4 inches) : These disc sander pads are made of rubber with a smooth surface, durable and resistant to breaking, suitable for repeated long-term use on flat surfaces EASY ASSEMBLY: Built-in mounting threads allow for quick and easy installation, saving time and effort when replacing pads Extend the life of your sander: This package includes 2 x 8-hole hook-and-loop pads, sufficient for personal use and replacements, effectively extending the lifespan of your sander Fits most sander bases: Sand pad replacements designed for units with a 1-1/4 inch center-to-center distance between screw holes Dust extraction: Sanding disc compatible with sanders featuring 8 holes for efficient dust and debris removal into a dust bag Good Tips: If your sander model is not listed, check your sander's specifications before purchase. Ensure your sander has 8 dust holes and 4 screw holes, with a 4.7 inch diameter and center-to-center screw hole distance of 1-1/4 inches