Kyocera Roll sharpener RS-20BK N by RS-20BK(N)

(Only 10 times forward and backward) You can quickly and easily sharpen about 10 times back and forth. No need to worry about getting your hands and body dirty with abrasive shavings
Size: Main body: 6.2 x 2.3 x 2.2 inches (15.8 x 5.8 x 5.7 cm). Weight: 2.2 oz (60 g). Country of
Materials: Whetstone: Fine ceramic, polyacetal (heat-resistant temperature: 176°F (80°C)), Body: Fiberglass reinforced polyamide (heat-resistant temperature: 176°F (80°C)), Cover: Polyamide (heat-resistant temperature: 176°F (80°C)), Anti-slip silicone rubber (heat resistance: up to 176°F (80°C))
Rejuvenates sharpness: The grindstone has a rough-honing groove surface and a flat surface to finish the grindstone that can be rotated to create a finish at a time
[For use with metal double edged knives] *Roll sharpener is for double edged knives made of metal (steel, stainless steel, etc.) Single-edged knives (deba knives, sashimi knives), special blades (bread cutting, etc.) and ceramic knives will not sharpen
High abrasion resistance and long lasting