This is an authentic replacement part generally used on a variety of lawn and garden equipment. It is sourced from original equipment manufacturer and it is sold individually. This nut is a standard hardware which has multiple uses based on equipment. Please refer to appropriate diagrams for correct use/application of it. Please note you would need a wrench when working with this left hand threaded nut.

This is a genuine OEM sourced replacement part designed for use with trimmers/edgers. It is great for edging level ground around sidewalks and driveways. This blade is made out of metal and it is sold individually. To replace it you would need a wrench to remove the blade nut.