A series of these products used for grinding welding points, welding line and grinding surface of common metals, stainless steels, non-metals, non-ferrous metals,etc. 
Key points for best results: 
Hold your right angle grinder at 30°with grinding 
Run the gringer at the highest possible speed marked on the wheel. 
Higher power of the grinder, higher efficiency. 
Choose the abrasive grain as follow: 
a)A—for general metal 
b)ZA or WA—for stainless steel 
c)C or GC—for non metal, stone etc. 

Product Application: 
used in grinding and polishing soldered dots, weld joints, common metals, stainless steel, nonmetal and nonmagnetic cast iron surface, etc. 

Product Features: 
Sharp, with long service life and superior cost performance