Hv series:Mainly used in honing for non-ferrous metal,especially adapted to the honing machines that require smaller pressure.
size : 8" / 6" / 7"
material : green silicon carbide / black silicon carbide
grits : 122#/144#/410#/500#/600#
packing : 12pcs/1dozen/1 box
brand : Powerful or OEM accept