Metal utensil safe, Blue Diamond's signature diamond infused ceramic nonstick is 5x harder and 10x longer lasting than traditional coatings Diamonds are 4x more conductive than copper, so Blue Diamond heats faster and cleans up easier Warp Control Base: Heavy duty forged base prevents warping, wobbling, or degrading over time International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.