The 2 inch flap disc kit includes 4 different grits, which is 40#
60# 80# 120#, Well designed for cleaning, deburring, removing rust,
leveling, stripping, buffing, light grinding, and prepping or
finishing flatwork surfaces.【Wide Application】It is ideal for metal, aluminium, copper, steel
wood and plastic, can be used for shipbuilding, automobile
manufacturing, aviation and machinery for grinding welds, surface
treatment, deburring, rounding, mirroring and surface polishing.