.Groom N' Edge head rotates 180 degrees for edging .Powerful 3.5 Amp motor for superior trimming performance in heavy weeds and grass .12 cutting path with bump-feed spool gets the job done fast .Built-in assist handle provides maximum comfort and control .Flip down edge guide assists with edging along sidewalks and driveways .Cord retention prevents trimmer from coming unplugged .Bump feed spool allows feeding of the line as needed .Gently bump the feed head of the trimmer on the ground to release a fresh length of line .Amps - 3.5 Amps .Revolutions/Min - 10,000 rpm .Line Diameter - .065 .Weight - 4.0 lbs .Replacement Accessories - RS-136 .Cutting Swath - 12 .Includes .ST4500 String Trimmer.(1) Spool