Anyone know the size of the grub screws in the stepper motor pulleys?

X-Carve Assembly
1

Does anyone happen to know the size of the grub screws in the stepper motor pulleys? One of mine feels a little stripped so I’ll get some spares.

2

@StevePrior

They are M3 x 0.5. Length can be up to 6 mm without sticking out of the pulley collar.

3

Thanks!