3" circular sanding pad with velcro that's compatible with the Milwaukee M12 2531-20 Detail Sander. Replaces the 'home plate' shaped pad that comes with the sander with a 3" circular pad using the same stock screw. Velco on the bottom to attach reusable sandpaper discs. Comes with 3 pads. DOES NOT include sandpaper. Fits sandpaper similar to: https://amzn.to/3vxPqt0 3D printed in Black.