SEVEN wrote:Dont bother with practice cylinder's just buy bogstandered pin cylinders the cheaper the better to start with.Pickset's can be bought cheaper it's worth shopping around,a small bench vise is a must as for a follower just make one load's of idea's on site.Good luck and mastering this exersize lead's to guarenteed success.There are some decent repinning kit's on ebay at the moment well worth a look.
Okay, where would I find these 'bogstandard' cylinders ?

The rekeying kits on ebay seem to be for specific kinds of locks/cylinders, btw...