
I added this to my previously purchased Lansky sharpening system. I bought a set that only had three stones (large, medium and small). The situations were getting too frequent and I really needed a very coarse stone so I added it to my Lansky set. Nothing to say except that it does exactly what I expected. It is a more aggressive stone which means less time is spent honing finer grit wheels. Works just like the stones I've had from Lansky. Completely satisfied with the purchase!