Shopsmith 12" sanding disc paper lot, new old stock. Includes​: 12) fine 100 grit garnet plain back-NOT PSA, 5) medium 80 grit garnet plain back-NOT PSA, 4) medium 80 grit garnet PSA back, and 1) fine 100 grit aluminum oxide PSA back. NOTE: You will need adhesive for the plain back discs.