Professional version of the edge tuner.Roller bearings ensure very precise and base-friendly work.Features:- Roller bearings for precise and base-friendly guidance of the file- New with wider contact surface for safe working- With angle settings from 90° to 85°- For all types of files and diamond files- Including 80 mm World Cup universal file (Short World Cup universal file with hard-chromed surface. The spare part for Ergo Multi Guide, File Guide Pro and Ergo Race. 10 teeth/cm.)