Robert Welch Saucepan 20cm / 4.0LIntroducing 316 Series Cookware engineered for performance, designed for life. The 316 Series cookware is designed for cooks who value both performance and healthy eating. The saucepan features a tri ply construction: Two layers of high grade stainless steel fully encapsulate a responsive aluminium core that extends throughout the pan from base to rim, ensuring rapid, even heat distribution. The frying pan features an uncoated tri ply construction: