Stock incoming from Japan, please allow 10-14 days for delivery
Ceramic sharpening whetstone set. Ceramic is harder material than normal stones and it reduces your time for sharpening.
Standard #1000 is good for usual maintenance.
Fine Whetstone #3000, #6000 to be used after a standard whetstone. For those seeking more sharpness and better maintenance.
Video: How to use sharpening stone.