I got the Nortech full kit for my 44, it was around £30 I think. There's some discussion and photos here
http://www.oople.com/forums/showthread.php?t=8916
Most of the screws will be the same size. Alternatively I've bought metric screws from
www.stagonset.co.uk and I was really pleased with then, I should imagine their imperial ones will be fine too.