Armsol soldering bit cleaning sponge is porous, so it holds water. Rubbing a hot soldering iron tip on a wet sponge causes the solder to contract at a different rate than the soldering iron, helping to knock off any globs of solder that may be clinging to the tip. It is an ideal replacement for the old sponges. It removes all the Solder residue and keeps your Soldering tip clean. It lasts long even after extensive multiple-time usage.

• Rectangle Sponge 5.5cm X 7cm – Soldering sponge
• Rectangle Sponge 3.5cm X 5cm – Soldering sponge
• Round Sponge 5cm X 5cm – Soldering sponge