Features & Benefits:
️White Fused Alumina Material & Silicon Carbide Material:  Superior wear-resistance helps lengthening the service life of whetstones.
Water Stones:  No oil. Soak in the water for 15 minutes before using.
2 Double Sided Whetstones, Coarse/Medium/Fine/Extra Fine Grit:
400 Coarse Grit For Rough Sharpening: For when the blade is unusually dull or to grind off chips. Primarily used for knives which are damaged
1000 Medium Grit For Normal Sharpening: Your go-to sharpening stone. If your knives have lost their edge and need a good sharpen, then this is the grit you should start with.
3000 Fine Grit For Fine Sharpening:  3000 grit can be used more often if you are the sort of person who likes to sharpen a bit more regularly as they are less coarse, this grit is designed for sharpening but not maintaining your edge.
8000 Extra Fine Grit For Finishing:  8000 grit is perfect for the final polishing of bevels and back sides. It gives a fine, razor-sharp edge to any tool of the knife blade.
Bamboo Base with Non-Slip Pad and Silicone Holders:  For holding the stone securely. No sliding around.
️Angle Guide:  For helping beginners learn the ins-and-outs of their new tool
Leather Strop: To polish knife and removing burr.
Black Flattening Stone:  It provides the necessary cutting action to effectively flatten the stone, especially when working on coarse water stones
White Flattening Stone:  For keeping your water stones flat all the time thus enhancing its performance (Finer than 1000)

Package included:

1 x 400/1000 Double Sided Water Sharpening Stone 
1 x 3000/8000 Double Sided Water Sharpening Stone
1 x White Flatting Stone
1 x Black Flatting Stone
1 x Bamboo Base with Non-Slip Pad
2 x Silicone Holders
1 x Knife Angle Guide
1 x Leather Strop