Basically to even and smooth out in the same way that a sander is used for wood.
AG75028
Grinding Machine
Angle grinder 750W - C10
"Voltage:220-240V~50/60Hz
Input power:750W
No-load speed:12000rpm
Disc diameter:115mm
Spindle thread:M14
With 1pcs auxiliary handle
Disc not included
Packed by color box"