If you order a Type 5 on Monday it can ship to you on Tuesday (11-16) along with the next batch. Caswell has done well emailing the POs to me the same day, place your order in the AM if you can.
You may not realize that the Sputwelders use wire much smaller than RadioShack Al wire, which is 8 AWG (0.128" dia.).
The range for Al wire sizes is 10 AWG (0.105" dia.) to 20 AWG (0.034" dia.) for the Type 5. Its 14 AWG (.067" dia.) to 20 AWG for the Type 6.
The most common wire size used is 16 AWG (0.054" dia.) both units come with a coil of this size Al wire. This size will carry 5 to 7 Amps with almost no measurable voltage drop, and twice those currents without any problems. 16 AWG will do fine for your size parts.
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