Our Blue Mounted Stones are hard stones which hold their shape exceptionally well and are recommended for use on hardened steel. All are 120 grit (fine). Aluminum Oxide with Cobalt added to provide lubrication while grinding.
Cuts well and leave a smooth surface. Can be dressed with our Tru-Stone.
Mounted on 1/8" shanks which are 1-1/2" long and made of nickel-plated steel.