Sungold Abrasives 99081 2-Inch Type R Quick Change Disc Holder Advanced airflow design - runs cooler - extends abrasive life High strength synthetic backing lasts longer than standard pads Provides firm yet pliant backing for discs Made in the U.S.A. Separate shaft and holder allows for quick change from 2-inch to 3-inch See Sun gold part number 99082 for 3-inch For use with Sun gold Type R quick change discs and 3M Roloc Discs