Use this flux wire from Draper in many soldering applications The Draper 77180 Flux Cored Mig Wire is ideal for use in many soldering applications. It is designed for use with Draper MIG welders and other manufacturers similar machines. This wire is self-shielding, sold in a 450g spool. Features: Self-shielding low alloy steel MIG wire in 450g spool For use with Draper MIG welders and other manufacturers similar machines Manufactured by SIF for Draper Tools Specification: Manufactured to AWS: E71T-GS Size: 0.8mm x 450g