?60 GRIT 2Pcs:
Ideal for HEAVY CUTTING AND BLENDING, and the perfect flap discs for stock removal, beveling, and weld blending on both contoured and flat surfaces.
?80 GRIT 2Pcs/120 GRIT 2Pcs:
Ideal for LIGHTER BLENDING AND FINISHING and other abrasive jobs. Used for quickly grinding rough workpiece surface, such as valve casting, Angle iron, steel plate, weld, welding mark, rust removal, deburring, etc.
?240 GRIT 2Pcs/320 GRIT 2Pcs:
Ideal for blending, beveling, deburring, removal of rust, especially great for CLEANING AND FINISHING. It is often used for secondary grinding and polishing of rough surface of workpiece.