Effortlessly trim overgrowth and precision-edge sidewalks without the need to bump for new trimmer line. Tired of bumping and stooping? This lightweight, adjustable trimmer/edger gives you flexibility and comfort, with Automatic Feed Spool and easy conversion between trimming and edging. Effortlessly trim overgrowth and precision-edge sidewalks for a well-groomed yard. Part of the 20V MAX* System; 1 System - Endless Tasks. Power for your Style. Converts from trimmer to edger. Automatic Feed Spool (AFS) automatically feeds trimmer line. Adjustable height and handle for ideal user comfort. 20V MAX* Lithium Ion 4.0Ah battery holds its charge for up to 18 months.