2″ Flap wheel complete with hub and universal flange for any size arbor. 1/4″ to 2″ arbor size. 28 segment brush/abrasive segments Grit 100. The p 100 grit can remove light knife marks on a moulding and break sharp edges on a profile before a finer grit is used and stain and sealer coat is applied. If you want to use this for sanding edges it will also work well for this job.