Straight razor users consider 8000 grit the minimum for a comfortable shave - an edge refined enough to glide without drag. That standard translates directly to kitchen knives: at 8000 grit you are producing a highly polished edge that cuts with exceptional smoothness and clarity. It is the highest grit stone in the CKTG recommended Shapton Glass progression, sitting above the 4000 as an optional final step for those who want a more refined finish before moving to a strop. For most double bevel kitchen knives, this is the last stone you need.
What makes the GlassStone 8000 stand out at this grit level is that it still cuts quickly. Most stones at 8000 grit move slowly - the abrasive is fine enough that metal removal takes significant time. The Shapton GlassStone hardness means it cuts more efficiently at this refinement level than softer alternatives, which translates to a faster session and a more consistent result. Splash and go - no soaking - and the tempered glass backing keeps it flat and light. One experienced reviewer who owns the full progression of Shapton GlassStones uses the 8000 as his final stone before a strop, noting that at this grit level going further with an ultra-fine stone is less efficient than simply stropping on a 1 micron or finer compound. That is a practical, well-reasoned approach many experienced sharpeners share.
What Customers Are Saying: Six of seven reviewers gave five stars, with consistent praise for cutting speed, ease of use in a professional kitchen setting, and the quality of the polished edge. One reviewer who was initially hesitant about the thin stone discovered it cuts faster than expected and stays flat more easily than conventional water stones. A professional cook called it fantastic and easy to use splash and go in a restaurant. An experienced sharpener who owns the full Shapton Glass progression uses the 8000 as his final stone before a strop, noting that at this grit level going further with an ultra-fine stone is less efficient than simply stropping on 1 micron or finer compound. The one lower rating acknowledged the stone as compact and useful for a travel kit while preferring other options in this grit range for dedicated polishing work.
Care Instructions: Splash with water before each use - no soaking required after the initial first-use soak. Flatten regularly with a diamond plate to maintain a true surface. Store dry between sessions. Handle with care - the tempered glass backing improves drop resistance considerably over standard ceramic stones but is not indestructible. Spots or color variation on the surface are normal and do not affect performance.
What makes the GlassStone 8000 stand out at this grit level is that it still cuts quickly. Most stones at 8000 grit move slowly - the abrasive is fine enough that metal removal takes significant time. The Shapton GlassStone hardness means it cuts more efficiently at this refinement level than softer alternatives, which translates to a faster session and a more consistent result. Splash and go - no soaking - and the tempered glass backing keeps it flat and light. One experienced reviewer who owns the full progression of Shapton GlassStones uses the 8000 as his final stone before a strop, noting that at this grit level going further with an ultra-fine stone is less efficient than simply stropping on a 1 micron or finer compound. That is a practical, well-reasoned approach many experienced sharpeners share.
What Customers Are Saying: Six of seven reviewers gave five stars, with consistent praise for cutting speed, ease of use in a professional kitchen setting, and the quality of the polished edge. One reviewer who was initially hesitant about the thin stone discovered it cuts faster than expected and stays flat more easily than conventional water stones. A professional cook called it fantastic and easy to use splash and go in a restaurant. An experienced sharpener who owns the full Shapton Glass progression uses the 8000 as his final stone before a strop, noting that at this grit level going further with an ultra-fine stone is less efficient than simply stropping on 1 micron or finer compound. The one lower rating acknowledged the stone as compact and useful for a travel kit while preferring other options in this grit range for dedicated polishing work.
- Brand: Shapton
- Origin: Made in Japan
- Series: GlassStone
- Grit: 8000
- Use: Splash and Go (no soaking required after first use)
- Construction: Abrasive bonded to tempered glass
- Stone Dimensions: 210 x 70 x 11 mm (8.25 x 2.75 x 0.44 in)
- Usable Abrasive Thickness: 5 mm
- Weight: 14 oz (400 g)
- Item Number: 50203
Care Instructions: Splash with water before each use - no soaking required after the initial first-use soak. Flatten regularly with a diamond plate to maintain a true surface. Store dry between sessions. Handle with care - the tempered glass backing improves drop resistance considerably over standard ceramic stones but is not indestructible. Spots or color variation on the surface are normal and do not affect performance.
Reviews
7 review(s) WRITE A REVIEW (Reviews are subject to approval)
Nice Sharpening StonePosted By: Patrick McCormick - verified customer
32 people found this review helpful
I was hesitant to go with this stone at first. It seemed like a lot of money for a fairly thin amount of material. However, when I began to work with it, I immediately understood why. It cuts quite quickly for its fine grit level and does not need to shed anywhere as much material as typical water stones. Much easier to keep flat & really looks fantastic on the glass backing. Highly recommended.
32 people found this review helpful
I was hesitant to go with this stone at first. It seemed like a lot of money for a fairly thin amount of material. However, when I began to work with it, I immediately understood why. It cuts quite quickly for its fine grit level and does not need to shed anywhere as much material as typical water stones. Much easier to keep flat & really looks fantastic on the glass backing. Highly recommended.
Amazing
Great finishing stone
Plenty of polish!Posted By: Max S. - verified customer
30 people found this review helpful
There are 2 general glass stone set ups to get a nice polish and a good edge. The Shapton recommended way to is go: 500-2k-16k which works great, Mark's site recommends you go: 500-1k-4k and then 8k if you so choose. this 8k stone is PLENTY, you need not go any further. Leaves a nice enough polish for fine kitchen knives, and pocket knives alike. I don't like going any finer than this, or maybe a 1 micron stone. At this high level of refinement, ultra fine stones become more expensive, and less efficient than simply stropping, IMHO. I like to start stropping anywhere from 1micron to about .5 micron, so for me this 8k is about as far as I like to go stone wise. Right after this I hit a strop or two and things are right where they should be. the 8k is where its at! Mirror polish!
30 people found this review helpful
There are 2 general glass stone set ups to get a nice polish and a good edge. The Shapton recommended way to is go: 500-2k-16k which works great, Mark's site recommends you go: 500-1k-4k and then 8k if you so choose. this 8k stone is PLENTY, you need not go any further. Leaves a nice enough polish for fine kitchen knives, and pocket knives alike. I don't like going any finer than this, or maybe a 1 micron stone. At this high level of refinement, ultra fine stones become more expensive, and less efficient than simply stropping, IMHO. I like to start stropping anywhere from 1micron to about .5 micron, so for me this 8k is about as far as I like to go stone wise. Right after this I hit a strop or two and things are right where they should be. the 8k is where its at! Mirror polish!
Product Review
Product Review
Product ReviewPosted By: Socrates7 - verified customer
34 people found this review helpful
Compact and affordable, but not my favorite stone in this grit range. Great to add to a travel kit and will touch up your edge very nicely. So-so as a polishing stone, but will not create mirror bright.
34 people found this review helpful
Compact and affordable, but not my favorite stone in this grit range. Great to add to a travel kit and will touch up your edge very nicely. So-so as a polishing stone, but will not create mirror bright.









