The Thunder Group SLDB4012 Double Boiler is a versatile 3-piece set designed for efficient cooking. With a generous 12-quart capacity, it features an outer pan measuring 10-7/8" in diameter and 9-3/8" in height, and a middle pan with a diameter of 9-3/8" and a height of 8-5/8". The handle extends 2-3/8" for easy handling, and the overall height with the lid is 10". Crafted from durable stainless steel, this double boiler includes an encapsulated base for even heat distribution. It is dishwasher safe and compatible with standard electric, gas cooktops, halogen, and induction surfaces. Heavy-duty and oven safe, this double boiler meets NSF standards, making it a reliable choice for both home and professional kitchens.