The Zwilling Bob Kramer Glass Whetstone Sharpening Set, Set of 6 includes three Japanese whetstones in #400 coarse, #1000 fine, and #5000 extra-fine grits.
- #400 changes edge angles and repairs nicks and chips.
- #1000 is used for fine sharpening.
- #5000 is for finishing, polishing, and ultra-sharp edges.