NITRO outdoor tools are engineered for gas-like performance. Attachment capable string trimmer. 15" Dual-exit cutting head for professional-grade use. Efficient brushless motor. DriveShare split-shaft design accommodates various attachments. Variable speed with ECO mode. Universal compatibility - fits other brand attachment trimmer systems. Power Share Pro Intelligent batteries deliver extended runtimes. 20ft Cutting line length. Line diameter: 0.095". Includes: DriveShare string trimmer head. Two 4.0Ah Power Share PRO batteries. 4A Dual charger.