Handle with longitudinal grooves for tools, pens, toothbrushes has additional longitudinal grooves with additional internal fluting that can be displaced by 120 degrees

摘要

The handle has additional longitudinal grooves (11). The additional longitudinal grooves have additional internal fluting (12). The additional longitudinal grooves with additional internal fluting can be displaced by 120 degrees. The longitudinal grooves of the handle can have additional inclined fluting.