Edge-On-Up Professional Edge Tester Made in the USA Cone Stud for Model 387

Cone Stud for Model 387 / SF1000

After using these four stones

a plate prevents the blower from being blocked against a wall

It’s small enough to keep with you at all times

We recommend the 8" Norton Combination Waterstones for woodworking tools

Edge-On-Up Professional Edge Tester Made in the USA Cone Stud for Model 387A Standard Test for Sharpness How sharp is the edge? That is both the most important question a sharpener can ask, and possibly the hardest to answer. There are tests like cutting paper or shaving hair that are often used to demonstrate sharpness, and they are helpful to a point, but they lack the precision and standardization required to truly answer the question. However, a precise and standardized testing method is available. It is achieved using