The Edge-On-Up Industrial Sharpness Tester Review

May 11,2024

We use the Edge-On-Up (PT50A) Sharpness Tester for knife reviews. See how it works, and learn how to set it up for your knife collection.

Edge-On-Up Sharpness Tester

Scientifically measure the sharpness of your knives. Accuracy: 5 grams

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The PT50 Series of Edge-On-Up Sharpness Testers give the ability to measure and quantify the level of sharpness of any given edge. They work by measuring the force in grams required to cut through a standardized, calibrated medium. The result is a number that can be used to compare the relative sharpness of edges.

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