3M 668X Diamond Lapping Film Disc - 3 Micron Grade - PSA Attachment - 4 in Dia - 54696 [PRICE is per DISC]
3M 668X lapping film disc uses diamond as the abrasive material and has a diameter of 4 in. The PSA attachment allows for easy mounting to the tool or pad. The abrasiveness of lapping film disc products is graded on the Micron scale; with the 54696 lapping film disc having a grade of 3 Micron.