Manufactured from high quality 18/10 stainless steel, incorporating an energy efficient, 6mm thick, impact-bonded, aluminium sandwich base which is fully-encapsulated within the stainless steel. The cast steel wishbone-shaped handles and lid knobs are secured with rivets for added durability and stability, and are shaped for maximum comfort when in use. Extremely versatile, they are suitable for all hob types, oven safe to 230 C (440 F), dishwasher safe and come with a 25 year guarantee.