This is a brass box consists of two parts which dissociate to provide access to a brass mesh sponge. It is used to clean iron soldering tips between two welds or after employment, through a round window in the curved part that enables failures to be presented on the towel. The box is not very big: 7cm high and 6.7 cm in diameter and weighs about sixty grams. It is directly shipped from China and arrived in a fortnight with a cost price that remains soft. But she still supported the transportation without getting dented, it's a good sign, guaranteeing a certain solidity. In short, a good product for small-yourselfers who need ... ;-)