Steel wool, the scrubber in the sink, rough enough to strip old paint.
Wire Wool is a neutral grey.
It can be described as neutral, medium and colorless.
Set in white, because white reads best on it.
Wire wool is a generic term for products made of filaments entwined, woven or otherwise agglomerated into a sort of felt pad or belt that is often rolled for convenience. Typical dimensions for most domestic wire-wool might be about 1 cm/¼" thick by 8cm/3" broad and cut to various lengths.
Read on WikipediaA wire is a flexible, round bar of metal. Wires are commonly formed by drawing the metal through a hole in a die or draw plate. Wire gauges come in various standard sizes, as expressed in terms of a gauge number or cross-sectional area.
Read on WikipediaWool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to inorganic materials, such as mineral wool and glass wool, that have some properties similar to animal wool.
Read on WikipediaNoun