Handy 10 packs of M3 x 6 Stainless Steel Metric Grub Screws.
Almost as bad as E clips, once your drop these littel guys thats it they are gone forever ! Don't stress any more though, just pick one of these handy packs and you can make it rain grubscrews without a care in the world ! ( Disclamer not friendly to vacuum clearners)
- You will require a 1.5 mm allen key to fit these grub screws.