Victorinox Norton Combo Extremely Coarse/Coarse Sharpener Stone 4.3391.4

Dull knives aren't just difficult to use; they're also a safety hazard! With this stone, you'll be able to keep your knives sharp long after the original edge wears down. The stone features two sides of varying grit levels, one that's extremely coarse and the other that's just coarse. Together, the two sides make the stone a convenient and compact tool, perfect for any kitchen setting!