9.75" Ultimum Open Skillet: Pressure-forged heavy gauge aluminum open skillet Stainless steel bonded base and handles Contoured dual and flat-riveted handles Triple layered premium quality raised circles surface Ultra total non-stick system technology interiors Metal utensil-safe cooking with reduced abrasion Compatible with all stovetops including glass and induction Oven safe up to 450 degrees Fahrenheit Hassle-free lifetime guarantee Measurements: 17.25" W x 10" D x 3.5" H Cooking surface 9.75" DIA " material="Aluminum and stainless steel" origin="Thailand"