Superior performance and long life</br>For use on hard woods such as oak and pine or building boards like plywood</br>Cleanly pre-punched holes for uniform dust extraction to prevent unwanted swirl marks</br></br>Product Description</br></br>SR5R120 Features: -Premium resin-bonded aluminum oxide. -Load-resistant for uniform sanding. -Pre-punched for dust extraction. -Hook and loop application. Product Type: -Sanding/ Sandpaper. Generic Specifications: -Fits Random Orbit Sander 3107DVS (2561-1062). Dimensions: Overall Product Weight: -0.11 Pounds.</br><br/>http://www.amazon.com/gp/product/B001RAL3BM