Spyderco Triangle Sharpmaker Medium Replacement Stone Shapton Fine Surfacing Compound is

Shapton Fine Surfacing Compound is the recommended abrasive to use for resurfacing their 3 micron/4000 grit and finer Ceramic Water Stones on the Naoru Cast Iron Lapping System

GATCO Edgemate Professional Knife Sharpening System

#15 on the Parts Diagram in the Manual

Easy to Use

all of the stones in the system are replaceable

Spyderco Triangle Sharpmaker Medium Replacement Stone Shapton Fine Surfacing Compound isThis replaces your worn out or lost Medium (brown gray) Spyderco Triangle Sharpmaker Stones. Sold in a unit of one. The rod measures 7" in length. Q. Are these sold as a set of 2 or do I have to purchase 2? A. These replacement rods are sold as singles. If you need to replace both rods, you must purchase two.