MEKNIC Solder Tip Cleaner Soldering Ion Tip Cleaning Wire and Holder Coiled Brass Sponge Tip Cleaner Kit with 7 PCS Solder Tip Cleaning Wire and 1 PC Holder for Cleaning Soldering Irons and Tips

Works great

Awesome. Love it.

i thought it was brass because it said it was. magnets dont attract brass.

It does its job well.