SUEHIRO Ceramic Mini Dual Whetstone 3000/1000 Grit - Professional Kitchen Knife Sharpener for Precision Edge | Perfect for Home Chefs & Culinary Enthusiasts

Type: dual whetstone
Manufacturer: Suehiro (Famous manufacturer of sharpening stone)
Stone Size:  130×40×27 mm (5.1×1.6×1.1'') Very small!
Finish whetstone:  #3000(yellow)
Medium whetstone:  #1000(blue)
Material: Ceramic
                Stand / Elastomeric rubber 
Made in Japan
Home use size, but same whetstone quality for commercial use

Hard to slip on the stand of rubber.

How to sharpen

1,Please soak in water enough before sharpening.
2, just sharpen with the water which appears when you sharpen without washing it away.
3, How to sharpen
(Double bevel)
 sharpen one side 10-15 times, then the other side 10-15 times. with the same angle, with the same power. The angle is 15 degrees.
(Single bevel)
At first sharpen front side 10-15 times.
Next sharpen back side while pulling knife a few times for removing the burr.