Black & Decker GH710 GrassHog 14-Inch 6.0-Amp Dual-Line Trimmer Exclusive Gear Drive transmission delivers more power to get the job done faster Powerful 6.0 amp high torque motor tackles any cutting condition AFS dual-line spool advances line automatically - no need to stop or bump Groom 'N' Edge with flip-up edge guide coverts from trimming to edging in seconds Ergonomic design with adjustable height and secondary handle positions for maximum comfort and control