AF720 Add-On Straight Shaft String Trimmer with Fixed Blade Cutting HeadProduct ReviewP Click on the link for more reviewsPPro-style straight shaft and aerodynamically designed blades to provide precise cutting controlPCuts through heavy vegetation and creates a clean edge along driveways and sidewalksPEasy to install cutting headPNylon blades have a flexible, durable impact hingePOperates very efficiently at low RPM's, making trimming a more pleasant experienceP