Norton-Saint Gobain Abrasives 61463686839 Hard Translucent Arkansas Abrasive File Set, 1 Each of Ultra Fine Arkansas: Square HF13, Triangle HF113, Round HF813 & Sharp Edge Knife Blade HF873 (Set of 4)

The best Hard Arkansas stones.

Used Norton products for years in my machine shop. This set is an excellent set of small fine stones. Perfect for gunsmithing and toolmaking, excellent for deburring and polishing.

Great little set for polishing triggers. I wish there was a half round included but this set will cover most anything. The price is great compared to other online retailers as well.

These stones do a very nice job at machining, grinding down and polishing. The main reason I knocked a star off was for the lack of description about the stones themselves and ALL the design features. I needed at least one square stone with sharp right angles on the long edges, and the square stone DOES NOT have that. They do however have right angles on the 1/4" short edges which still allowed me to do one of the things I needed them to do, but it wasn't ideal Otherwise, these stones where packaged and shipped with extreme car and made it safe and sound

Some of the best stones I have ever used.

These four stones are great for defiling and sharpening edges in tight spaces also left my knife extraordinarily sharp

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Poorly ground, slightly uneven. Very disappointing given this cost around 70 dollars. Seek other known brands. Sorry Norton/Saint Gobain