The Jost (Joest) Sanding Disc Kit uses specially designed drywall sanding discs for use with the Porter Cable 7800 Drywall Sander and companion interface pads, perfect for dust free drywall sanding with highest quality results. Available in 80, 100, 120, 150, 180 and 220 grit.
Kit Includes:
10 - 9in  Sanding Discs
1 - Interface Pad Jost Sanding Disc Kit, (1) Interface Pad, (10) 9in Discs, 80 Grit