The Rockwell RW9218 is a 6 pack of Sanding Disc Pairs for use in conjunction with the Rockwell RK4245K Vibrafree Orbital Sander. The Sanding Discs in the RW9218 come in two pieces to work perfectly with the Orbital Sander. These Sanding Discs allow you to achieve flawless results when sanding a variety of materials. The RW9218 comes with 2 sets each of 60-grit, 120-grit, and 220-grit Sanding Discs. Features: * 60-grit"s heavy grit is ideal for stripping and coarse sanding * 120-grit"s fine grit is ideal for smoothing surfaces * 220-grit"s very fine grit is ideal for extra smooth sanding and finishing What"s In The Box: * Two 60-Grit Sanding Disc Pairs * Two 120-Grit Sanding Disc Pairs * Two 220-Grit Sanding Disc Pairs