HELP! DC5 buddyclub n+ coilovers

[Anthony21893]

Hey guys i recently picked up a set of buddyclub n+ coilovers but they didnt come with any c spanners just wondering where can i get some and does anyone know the shock size of these cause was planning to get a universal one if all fails

also how should i clean these so i dont damage them and what should i know about them as i am new to the car scene