Check the listing for details. HART 20-Volt 13-inch String Trimmer/Edger (1) 20-Volt 4.0Ah Lithium-Ion Battery. Condition: New. Listed at 84.99 USD. HART 20-Volt 13-inch String Trimmer/Edger (1) 20-Volt 4.0Ah Lithium-Ion Battery This trimmer features a 13-inch cutting swath for increased cutting coverage, and an auto feed head that automatically releases approximately ¼-inch of line every time you release the trigger for ease of use. The built-in wheels guide the trimmer to create a beautiful edge around your lawn or walkways. The variable speed trigger provides ultimate user control from cutting thick grass to more precise trimming around delicate areas. The included HART 20V battery is compatible with all HART 20V tools.Fantastic 2-in-1 tool that quickly converts to a dedicated edger with its pivoting head13-inch cutting swath and auto feed headIdeal for use in small-medium sized yards for maximum performance