WORX WG152 10-Inch 18-Volt Ni-Cd Cordless Grass Trimmer/Edger Convert trimmer easily to an edger and vise-versa in seconds with no tools Adjustable handle and telescopic shaft offers maximum comfort and control at any height and angle 90 degree tilting shaft orients the cutting head for sloped and hard-to-reach areas under objects Twin-set wheels roll easily for guided edging 100% automatic single line feed  no bumping to advance the line