A coarse #220 whetstone from Naniwa's Super Stone line. Naniwa has made sharpening stones in Japan for industrial and household use for over 60 years; the Super Stone's resin-bonded construction needs no soaking — splash on water and sharpen.

• Grit: #220 (coarse)
• Type: Resin-bonded, splash-and-go (no soaking)
• Use: Repairing chipped edges and setting new bevels
• Origin: Made in Japan