This is the Crystolon Coarse Replacement Stone for the Norton Oilstone Sharpener. Fast cutting stone for quick edge sharpening. Use for sharpening severely dull knives, repairing nicks, chips and damage from improper sharpening and generating new edge angles. It's dimensions are 11-1/2 in. by 2-1/2 in. by 1/2 in.
