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Edge-On-Up was founded in 2014 by Mike Brubacher in Arizona, United States. The standard that is used to determine the sharpness of knives is called the BESS-standard: Brubacher Edge Sharpness Scale. This scale was developed by Mike Brubacher, owner of Edge-On-Up. He has a background in sensor and test development in various industries. In 2012 he started developing a standard that could measure the sharpness of knives and needles. The result is the BESS standard that was quickly adopted by experts and enthusiasts as one of the most user-friendly methods to determine the sharpness of a knife.

The Edge-On-Up sharpness testers scientifically measure the sharpness of your knives. As such you will finally learn how sharp your knives really are. The result is that you not only improve your sharpening skills you can also check the state of your collection.

Edge-On-Up: bringing science to the edge

The Edge-On-Up sharpness testers scientifically measure the sharpness of your knives. As such you will finally learn how sharp your knives really are. The result is that you not only improve your sharpening skills you can also check the state of your collection. But how do these BESS-certified sharpness tester work? Knivesandtools explains! 

How does the Edge-On-Up BESS sharpness test work? 

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Edge-On-Up PT50A sharpness tester

Edge-On-Up PT50B sharpness tester

Edge-On-Up PT50C sharpness tester

Edge-On-Up DoubleX+ test medium, TM02

Edge-On-Up aluminium base, ATF10G

Edge-On-Up test clips 100 pieces, DTC100

Edge-On-Up Knife Fulcrum support

Edge-On-Up base for test clips, DCB10