Aluminum oxide, resin bond cloth flaps bonded to a center hub with a metal shank attachment. Use with a 1/8" die grinder. Used for finishing contour surfaces, cleaning, deburring and polishing all metals.
Grit refers to the average particle diameter. The smaller the grit number is, the coarser it is. The larger the grit number is, the finer it is.

Wheel diameter: 12mm
Wheel height: 11mm
Grit: 80, 120, 180, 240, 320, 400, 600
Wheel weight (per 10 pcs):
P80:   20.5g(0.72oz)
P120: 20.5g(0.72oz)
P180: 18.3g(0.64oz)
P240: 17.5g(0.62oz)
P320: 16.4g(0.58oz)
P400: 17.7g(0.62oz)
P600: 17.5g(0.62oz)
Shank diameter: 3mm
Shank weight: 1.96g(0.07oz)
1 set include: 10 pcs of flap wheels + 1 pc of connecting rod