5 ply Construction - High performance cookware, works on all cooking surfaces, including induction. 2.6 mm Thickness on all shapes - even heat distribution (fast, uniform, controlled cooking). Pouring rims on all shapes - eliminates drips when pouring liquids. Handles fixed by sturdy stainless steel rivets. Oversized handles - for safe lifting of stew pans, roasters and other large pots. Professional diameters and heights - M'Cook products have high sides and are designed for both professional and household cooking.