For use with the EGO 15 in. String Trimmer. The number 1 customer complaint with any string trimmer is line replacement. EGO has taken this pain point away with the World’s First EGO trimmer head. Rewind your line faster, simply insert the line into the head and press the button. The 15 in. cutting swath, bump-head line advancement, and professional-grade 0.095 in. cutting line make this tool truly professional grade. EGO parts are designed specifically for your EGO products and offer the highest quality, performance, and value.