The CookTek 105220 Double Boiler Insert is designed to fit 3 and 4-quart saucepans, making it an essential addition to your kitchen. Crafted from durable 304 stainless steel, this insert ensures even heat distribution for gentle cooking. The cast stainless steel tube handles provide a secure grip and are riveted for added strength, allowing for safe and easy handling. Ideal for melting chocolate, preparing delicate sauces, or warming foods, this double boiler insert enhances your cooking experience with its reliable performance and sturdy construction.