.Aluminum oxide

.Resin fiber w/fiberglass backing platd 7/8"arbor

.Type 29(flat) 15300rpm

.Blade size:

.40GRIT 72*22mm*16mm

.60GRIT 72*22mm*16mm

.80GRIT 72*22mm*16mm

.100GRIT 72*22mm*16mm

.120GRIT 72*22mm*16mm

.Use fpr deburring, finishing work surface and light grinding

.Application:good for non ferrous metal high speed steel

.Carbon and alloyed steel paint and rust removalReduce warping of thin metal won't gauge your work