Since these are modular, you can change the arm size without buying a new tray.
Rudder tray arm 4.0 inch
Fixing screw bolt is M3 ( M3 Bolt is not includ)
Shaft includ
Color: Titanium Silver
Rudder tray arm 4.0 inch
Fixing screw bolt is M3 ( M3 Bolt is not includ)
Shaft includ
Color: Titanium Silver