What is the difference between Boride and stock Edge Pro stones

preserving the temper of your knives

or perceivable movement

Width 13 cm

large knives

laser knife edge goniometer What is the difference betweenLaser Goniometer is a tool of measurement of the sharpening angle of knives and scissors. It's the price wise alternative of expensive equipment invented by CATRA. Goniometer Lite is an incredibly simple, but sufficiently informative device. It utilizes a built in laser source powered by one CR2032 battery. You can test knives up to 2" wide. The grind can be symmetric, asymmetric, multi beveled, or convexed. The maximum full angle 80 degrees.