2″ Type “S” discs require steel mandrel #31560. 3″ Type “S” discs can use this mandrel, but can also be used with rubber quick-lock disc mandrels.
These mini zirc flap discs are rigid & aggressive. Great for rapid stock removal, and will last much longer than traditional quick change discs.
2″ Type S discs require steel mandrel #31560 (they will not fit regular rubber quick lock holders).