New M4 main shaft locking collar. This works only with H0122-S main shaft.

Package includes:

1 x HC104 M4x22mm socket cap screws
1x HC212 M4 Nylon Lock Nuts
1 x Aluminum main shaft locking collar

To be used on

Goblin 630 helicopters
Goblin 700 helicopters with H0122-S main shaft.