Stihl FS38 Polycut 7-3 Head Strimmer Trimmer With 3 BladesThis is a multi purpose cutting tool with three thermoplastic blades that are ideal for hard to reach places and large areas of high growing grass. The blades are mounted on bushings and extend when the engine is brought up to operating speed. The white thermoplastic blades are also ideal for trimming around monuments and other solid objects as they dont mark the stone. The blades are easy to change and some models can also be fitted with flexible