D E S C R I P T I O N:
- Universal Trimmer Head Adapter
- This is what you need to attach different types of blades to your string trimmer. It fits most model , fit for 520 ， 430， 140， 139， 411
S P E C I F I C A T I O N S:
- Gardening machine mower kit dimensions
- Counter tooth nut: 0.79 "
- Cover: 3.15 "
- Upper and lower pressure plate: 1.57 "