25-mm Loupe with LED

It's very important to keep a sharpening angle consistent on a guided knife sharpener. The angle should not change when replacing one sharpening stones to another. In order to control the sharpening angle, one measures the angle between the knife plane and the sharpening...

Abrasives in Micron Scale: Grand Logarithmic Grit Chart (version rv.13) printed in A4 size (11 x 8.5") on cardstock paper with UV coating. Copyright "Mr.Wizard".It is the intent to display a broad range of abrasive particle size information as compactly...

Laser Goniometer is a tool of measurement of the sharpening angle of knives and scissors. It's the price-wise alternative to expensive equipment invented by CATRA.Goniometer Pro is a mid-range model, incredibly simple, but sufficiently informative device. It utilizes a built-in laser...

Laser 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.Laser Goniometer Master version is more advanced than Lite and Pro versions. Master version has a...

Laser 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...