EGOs new 15 in. rear motor String Trimmer offers a staggering 1200-Watt output. The robust design provides gas performance without the noise, fuss or fumes. While the Rapid Reload head allows users to quickly and easily load new cutting line. Compatible with all EGO ARC Lithium batteries for Power Beyond Belief. 15 cutting swath Heavy-duty drive shaft (0.07 mm solid steel) Variable speed Compatible with any EGO 56-Volt battery or charger 5-year limited warranty