Wire Wrap Tool for 28 and 30 Gauge Wire - Strips, Wraps, and UnwrapsStrips, wraps, and unwraps 28 and 30 gauge wire Forms Kynar wire wrap wire in a tight spiral around 0. 025" (0. 63mm) square posts (the post must be square in cross section, as the corners of the square dig into the wire to form a tight connection) No soldering is involved no risk of thermal damage to sensitive components, and the possibility for cold or dry joints is eliminated Great for prototyping, as it is easy to remove and rewrap connections