The black and decker gl7033 grass trimmer has a high torque gear system with e drive technology to get the job done faster through an improved rate of cut it comes complete with extra heavy duty line for heavy duty weed cutting the wheel edge guide enables perfect edging of lawns whilst the mid mount motor and an ergonomic adjustable handle provides balance comfort and control uses afs or automatic single line feed system that saves you time and effort supplied with 5 x hdl lines 1 x hd spool a