Spyderco Double Stuff 2 Sharpening Pocket Stone, Fine and Course Cubic Boron Nitride Grits

1” X 5” This handy double-sided pocket stone features an aggressive Cubic Boron Nitride (CBN) abrasive on one side and a fine ceramic stone on the other. One long edge of each stone also offers a radius for sharpening serrations. Ideal for hunters, fisherman, soldiers, or anyone else who sharpens in the field, the Double Stuff 2 comes complete with a protective suede pouch. The fine ceramic side of the stone is USA-made, the CBN side is produced in China.