Its using an insane amount of lines, if you will, i cant count the amount of empty lines.
So yea... Its up to you if you wanna use this skript.

This is a very simple but good crates plugin but the only reason why I cant give this 5 starts is because you cant currently set % odds for the items I add to a crate and I cant currently give myself more then 1 key at a time as a op player but besides that this is a very good crate plugin that doesn't have a single error on console which is pretty good to see from a crate skript.