Set of 25 used Norton India machinist stones. A variety of sizes and grits. Most are 4 inches long. Coarse, medium, fine, square, round, triangle, tapered, knife edge, and half circle.
"India" is Norton's trade name for aluminum oxide. Most of them are made in America. A few of them are brand new.
The stones will be properly packaged. HUNDREDS more quality stones on my other listings.