How long is that bolt?

 

There are a lot of hex-head cap screws in this buggy, and they are many different lengths. How long? Well, using a ruller is fiddly, but the dial calipers are ideal for the job. Set them to the length required, and then compare it to the bolts until you find the right ones. 

It's worth mentioning that the quoted lengths are the thread, and don't include the head itself. 

Allen keys are included to do these up, and good quality ones too. None of your alloy nonsence that turns to cheese after a couple of uses.