this pack includes 1 of each flap wheel 
60 grit (A-2201), 120 grit (A-2202), 240 grit (A-2203), 320 grit (A-2204), 600 grit (A-2205).

2" Flap Sanding Wheels, 10,000 RPM Max Speed. 

IMPORTANT NOTES: 
1. Use with A-69212 Short Hub when mounting discs onto Foredom Angle Grinder.

These Flap Sanding Wheels are made of high-grade aluminum oxide mineral and a bonding system that reduce shelling of the mineral. These abrasives are excellent for fast clean-up and pre-polishing work.