Download a chart of the CRU Scale (Cut Ratings Units Scale) Updated March 1 with ring sizes included.
This Scale rates the Bonika Shears on a scale of 1 - 5 with the highest score indicating how that shear compares to other shears for that particular feature. A rating of 5 means it is ideally designed for that feature, a rating of 1 means another shear might accomplish that task better. This will help you when you review shears for your particular cutting purpose. It also has the weight in ounces and the approximate Rockwell.