1/4'' Hex key for 5/16 cylinder head screws

The right Allen key for assembling your telescope
Tubus, mount, tripod: when you get your new telescope, there will be quite a bit of screwing to do. Every household has a normal screwdriver, but not always the right Allen key. You need the right tool quickly...

That's why it's best to get an Omegon Allen key right away. Then you won't have to search desperately in your toolbox.