All Boride stones are 6 mm thick and are mounted on high quality aluminum blanks

Washita is the most well-known among vintage natural stones

Silicon Carbide

is by far the smoothest

All Venev diamonds use FEPA-F grit classification

idahone four rod v sharpener All Boride stones are 6Idahone 4 Rod V Sharpener is an excellent V type sharpener for both novice and expert. Includes spring loaded storage in the fine oak base and comes with two coarse and two fine grit sharpening rods which are 9" long and 5 16" in diameter. Grit ratings on the rods are approximately 1200 1500 for the fine and 100 200 for the coarse. The sharpening angles are pre fixed at 15 degrees for sharpening on the coarse rods and 22 degrees for finishing on the