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🔪 Sharpen smarter, not harder — the flat glass edge every pro deserves!
The SCOTTCHEN Flat Glass Lapping Plate is a precision-engineered, dead flat tempered glass surface measuring 5-1/8in by 11-7/8in and 8mm thick. Designed for the Scary Sharp sharpening method, it supports standard PSA sandpaper, offering a cost-effective and consistent sharpening experience. Included is a reusable anti-slip rubber mat to keep the plate stable during use, making it ideal for professionals and enthusiasts seeking flawless edges on knives and woodworking tools.
| ASIN | B09Z2N2TCC |
| Best Sellers Rank | 506,283 in DIY & Tools ( See Top 100 in DIY & Tools ) 593 in Sharpening Stones |
| Brand | SCOTTCHEN |
| Brand Name | SCOTTCHEN |
| Colour | White |
| Customer Reviews | 4.3 out of 5 stars 122 Reviews |
| Grit Type | Medium |
| Grit type | Medium |
| Item Dimensions L x W x H | 34L x 14.5W x 2H centimetres |
| Manufacturer | Scotchen |
| Material | Glass, Tempered Glass |
| Material Type | Glass, Tempered Glass |
| Number of Items | 1 |
| Number of items | 1 |
| Product dimensions | 34L x 14.5W x 2H centimetres |
| UPC | 619438667114 |
| Unit Count | 1.0 count |
R**P
Lapping base plate
Great item. When used with lapping film stuck to it, I was easily and effectively able to sharpen my straight razor. Recommended.
T**K
It is what it is
Is not much to say about this. Nice size, I am using as a surface for sharpening tool. Nothing more, nothing less.
G**.
Very useful
It is perfectly flat great for sharpening and general use when you need a flat surface.
C**H
Beyond impressed
So I used this with adhesive backed micron sand paper to resurface the heads on a 4.7L engine. 10/10 highly recommend, with some elbow grease and patience I got the heads just about under .001 by hand. Can’t express how happy I was with the result, 10 out of 10 seriously
U**N
Badly curved along its length.
I just received this piece of glass (July 2025). It had an obvious curve to it down its length. I put a machinist's straight edge on it, and it isn't close to flat. If you intend to use it to flatten the soles of planes with it, don't buy one.
G**.
Not dead flat glass as advertised
This glass product is described as "dead flat glass"; however, similar to another recent review I found that the glass has a curvature with a deviation of about .004". Depending on the intended end use, this product may not meet your needs if you require actual dead flat glass. The product is shipped with an anti-slip mat. I found the mat to be very yellow suggesting that it had been sitting somewhere in storage for a very long time.
M**U
Not even flat
Been wondering why I wasn't able to get my japanese plane to have a flat bottom. The glass has a huge bump in it. Might be a good product but check that it's actually flat because I can't return it anymore.
Trustpilot
3 days ago
2 days ago