TUXWARE is Tuxton Pro Cookware’s most popular collection, featuring a heavy-duty aluminum made for extra durability and ease of use. • EXTRA DURABLE 3004. 3004 grade aluminum for strength and durability • Engineered for the rigorous demands of bustling commercial kitchens • TRIPLE RIVETED. Triple riveted plated cast iron and stainless steel handles ensures reliability and long-lasting performance. • Tuxton Pro Cookware is the official purveyor of cookware to Platform by James Beard Foundation. • Certified by NSF International, a leader in safety standards and quality. Lifetime Limited Warranty (Refer to Tuxton.com for Full Warranty Policy)