New model Garden Tool Universal 2 IN 1 Chain Link Trimmer Head Nylon Cutter,Mower Cut Irrigation Fight Straw Work Heads,Brush Cutter Replace

1.It automatically retracts the line. 2.There is a female thread used to screw onto a threaded bolt. 3.Simply put the line into the eyelet, give the head a for twis t and it's ready to go. 4.Takes all trimmer line shapes from 2.0mm to 3.2mm diameter. 5.Super capacity, more ropes can be installed. 6.Easy installation and convenience.