Application] Remove oxidation residue on the surface of soldering iron.Widely use for Electrical and electrical welding. [Package]30PCS 2.36" x 2.36" Replacement Welding Soldering Iron Tip Cleaning Pads Sponge Yellow High Temperature Sponge Size after soaking in water:60 x 60 x 11mm / 2., 36 x 2., 36 x 0., 44 (L*W*T)., Color: Yellow Cleaner than iron ball. Spare sponge for use with soldering iron stands. Soldering Iron Cleaning Sponges 30 Pack Cleaning Sponge Soldering Iron | Sponge Soldering Station | Electric High Temperature Sponge These yellow cleaning sponges are absolute must-haves for keeping your iron tips in perfect condition. You get 30 pieces in this pack, each measuring 2.36 x 2.36 inches (expands to about 0.44 inches thick when wet ★【Easy to use】Middle hole design, Hole in the middle is for easily scrapping solder off your tips. Features: Ideal to replace old worn out sponge., 30PCS 2., 36 x 2., 36 Replacement Welding Soldering. Soldering Iron Tip Cleaning Sponge 5pcs - RC shop bd ★【Specification】Size after soaking in water:60 x 60 x 11mm / 2., 36 x 2., 36 x 0., 44 (L*W*T).