Mercer M21010 - 10" Sharpening Steel - Genesis SeriesMercer M21010 10" Genesis Sharpening Steel Forged German Steel Non Slip Santoprene Handle Full Tang Mercer Cutlery is part of a third generation family business, Mercer Tool Corp. In the more than 30 years they have been in business, Mercer has become a name that is highly regarded in the foodservice industry. From the Genesis line, this 10" sharpening steel is the best at keeping your blades at their optimal sharpness and in excellent condition.