EXTREME NONSTICK THAT WON’T SCRATCH. EVER. From the inventors of hard-anodized nonstick cookware comes the Circulon A1 Series with ScratchDefense™ Technology. Open up a new dimension in scratch resistance and unbeatable nonstick performance and longevity with ground-breaking ScratchDefense™ nonstick technology crafted with durable aerospace-grade materials to create a thicker and harder surface than ordinary nonstick and eliminate scratching, sticking, and flaking with our most advanced nonstick yet.