AO POLISHING STONE 1/4" x 1/4" 150G
AO BORIDE POLISHING STONE
A medium hard stone treated with special oil to prevent loading. These stones have good cutting capabilities as well as being good for forming and finishing. Also works very well on EDM scale, being a little softer than AM8 grade.
|Size : 1/4" x 1/4"|
|Grit : 150|