Chore Boy Ultimate Copper Scrubbers have the cleaning power of steel wool. The Copper Scrubber is machine knit of pure copper strands that create a soft feel scrubber. This pad will not rust or splinter. The Copper Scrubber is ideal for cleaning stainless steel, multi-clad, anodized aluminium, copper and glassware. Also great for tools, lawn furniture, painting cleanups and more.