The Perfect Pair – We created the CM Scrubber 6 to accompany CM Scrubber 4 to enhance your cast iron experience.A Triple Threat – The perfect tool for your cast iron, stainless steel, and hard anodized cookware.Less Work, More Coverage – With a larger surface area and smaller rings, you can confidently get into small grooves and corners.No More Plastics and Detergents – No more plastic scrubbers or harsh detergents – you can trust Knapp Made’s CM Scrubber 6″ to handle any mess.