Trimmer head rotates 180° to enable easy edge trimming. Reduced weight for optimal balance and easy handling. Telescopic shaft with lever release adjusts quickly and easily to suit any operator. eXtreme Protection Technology (XPT) offers maximum protection against dust, debris and liquids for optimal performance in extreme conditions. Includes: 18V (4.0 AH) Li-Ion battery BL1840B (196401-9), standard charger, battery cover (450128-8), Nylon cutting head (191Y39-5), shoulder harness (127508-0), protective guard (413F73-4).