The numbers on the back of the disks are P600 and 260L.
*50 DISCS* 3M 30666 Hookit Purple Finishing Film Abrasive Disc 260L, 6 in, P2000
For 3M 30367 260L Hookit Purple Finishing Film Disc 3 inch P1500 Grit 50Per/Box
3M 01055 Hookit 5" P600 Grit Dust-Free Finishing Film Disc, (Box of 100) 260L
3M 30570 HOOKIT 260L FINISHING FILM DISC P800 GRIT 5"/127 mm QTY 50 DISCS
3M 00971 Hookit Finishing Film Abrasive Disc 260L, 6 Inch, P600 Grit, Box of 100
