Maintain tools, molds, and dies. These stones can be used by hand or in power tools with a compatible holder.

Smooth ribs, slots, teeth, and other fine features—these stones are thin enough to slip into hard-to-reach areas.

Prevent uneven polishing marks. Unlike other polishing stones, these stones never leave your work surface for a uniform finish.

A handy series of grits to remove high spots and even out gouges before polishing.

Polish steel from start to finish with stones in different grits. The stones in these assortments are filled with oil to keep debris from getting stuck in the pores, so you don’t have to stop and clean the surface.

Remove imperfections on tools, molds, and dies made from high-grade steel, such as P20 and H13 tool steel, 420 stainless steel, and more.

Remove rust, burrs, and other flaws that keep your gauge blocks from wringing together.