Aber should win the prize for the most bits in the kit, but there all small and very fiddly
Eduard are ok too
there are other sets out there but you can check out whats in the kits at the Aber and Eduard sites
Aber site http://www.aber.net.pl/ look in the instuctions part
Eduard http://www.eduard.com/ use the search and there are links to the instuctions on the product
Which kingtiger is it?
Eduard and Aber make nice barrels too