If you are thinking about buying a micro torch, you might want to check out this recent chat with Kristal Wick and Denise Peck of Jewelry Making Daily and Beadmaking Daily.
It should answer a lot of your questions about which torch to buy and how to use it.
Cindy Lietz, Polymer Clay Tutor says
Thanks for the link. There is some very good-to-know information in that ‘chat’!
byZarah.com says
I like the micro torches, mine never failed me. So thumbs up for them!