High-Grade Raw Materials The bond is perfectly matched to the grit type used and guarantees a greater level of aggressiveness as well as a longer service life. Enhanced Performance The synthetically produced grit ensures the consistently high performance of Kronenflex® products. Available in three different quality classes, they are exceptionally well suited for all types of applications. Proven safety The cutting-off wheels have been tested according to the guidelines of the oSa directives and are guaranteed to comply with European safety standard EN 12413.