3M 661X Diamond Brown Lapping Film Disc - Film Backing - 0.5 Micron - 8 in Diameter - 69767 [PRICE is per BOX]
3M 661X lapping film disc uses diamond as the abrasive material and has a diameter of 8 in. The abrasiveness of lapping film disc products is graded on the Micron scale; with the 69767 lapping film disc having a grade of 0.5 Micron.