... 1,Brasive flap disc,sanding disc. 2,Grinding welding line,hardware.wood,metals 3,Advantage:wear-resisting. Abrasive flap discVSM Ceramic ... than the other grain, and Flap discs are created by overlapping coated abrasive flaps and adhering them firmly to a ... cleaning, finishing & polishing on metals. Besides, our Flap discs are made by Import Germany Machine, very larg productivity, and the flap discs ...