This stone is the replacement size for the Norton IM200 sharpening system.
Select from Medium and Coarse stones. Stone measures 8" x 2" x 1/2".
Medium Grit: Norton Part No. 66253054576
Coarse Grit: Norton Part No. 66253054571
Q. What are the grits of the Coarse and Medium in the Norton Crystolon stones?
A. The Coarse Crystolon is 120 grit, the Medium Crystolon is 180 grit. Please see our Norton Grit Chart for more information.