Knotted Weeder Brush is installed on weeder as a head, the main function is to cut grass. The material is carbon steel wire. There are two specifications for you:
One is 6 inch(outer diameter: 150mm, bore: 25.4mm)
The other is 8inch(outer diameter: 200mm, bore: 25.4mm)
The knotted weeder brush can be also used for eliminating the moss, remove mud or some other applications.
As a manufacturer, custom made is also available.