Feature●High-quality material: the soldering iron tip cleaning sponge is made of compressed wood pulp cotton, high temperature resistant, scald-resistant, sulfur-free, environmentally friendly, thickened and can be cleaned efficiently.●Swelling when exposed to water: The sponge becomes larger and thicker when wetted with water, and has dense cleaning holes that can quickly clean the oxide on the surface of the soldering iron tip.●Functional features: the cleaning sponge can quickly clean the oxide layer on the surface of the soldering iron tip without damaging it, remove soldering residue and keep the components clean.●Applications: Can be used as a car sponge and desktop sponge. It is an indispensable tool for welding work. It is used for grouting or cleaning all oxidized surfaces.●Package quantity: contains 10 pieces blue 5.5 x 5.5 cm soldering iron cleaning sponge. Easy to use, sufficient quantity.Description