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

Package includes:
1 x HC104 M4x22 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.