Product category: Gearbox gearhead
Specification of bolt for fixing grass head: M10 * 1.25mm reverse thread
Spline: 9 teeth, 7 teeth, 4 teeth (Square 5.3mm*5.3mm)
Connector Diameter: 26mm and 28mm
Material: Aluminum
Color: Same as photos
Usage scenario: Brush cutter grass trimmer

Packaging list of available product options:
1. Gearbox 26mm-9T
2. Gearbox 28mm-9T
3. Gearbox 26mm-7T
4. Gearbox 28mm-7T
5. Gearbox 26mm-4T(Square)
6. Gearbox 28mm-4T(Square)

Notes:
1. Please read the product details carefully and verify if the product is suitable for your needs before making a purchase;
2. Please comply with local laws, regulations, and environmental policies when using this product.