The yellow wheels are mounted on the outside of the grinder and are designed to be used with curved tools like gouges. The 4" diameter wheels can be adapted to any grinder with a 1/2" spindle diameter.

• Replacement wheel for Koch sharpening system
• 4" diameter wheels can be adapted to any grinder with a 1/2" spindle diameter
• Designed to be used with curved tools like gouges
• Used to sharpen carving tools, bench chisels, plane irons or turning tools
• Available Exclusively From Woodcraft!

Replacement wheel for Koch sharpening systemKURT KOCH GMBH