DescriptionRelated products Oil based permanent marker.Usage 1: Color bottom of the blade and check if all is gone after sharpening.Usage 2: Mark the desired pivot point before profiling 1061328 Calibration Blade 39 EUR BuyMore info 1061207 Hollow & Thickness Checker 29 EUR BuyMore info 1061206 Blade Angle Tester 41 EUR BuyMore info 1061217 ProSharp Blade Instruments 189 EUR BuyMore info