Based on my experience using 2 1/4" and 3" sanding disks on a 2" ROS for bowls and other turned things, I think there can be advantages to using a slightly oversized buffing pad.
Based on my experience using 2 1/4" and 3" sanding disks on a 2" ROS for bowls and other turned things, I think there can be advantages to using a slightly oversized buffing pad.