Chicago Metallic Bakeware Aluminum #654 Angel Food Tube Cake PanThis pan combines heavy-weight 15 gauge aluminum for strength, durability and excellent heat conduction.Model #: 46540 Material: 15 gauge seamless aluminum Color: Silver Solid bottom Nesting ring in tube Pan top diameter: 9-1/4" Pan bottom diameter: 8" Pan depth: 4" Tube top diameter:2-1/4" Tube bottom diameter: 3" Tube depth: 4-1/8" Each Weight: 1.2 lbs Made in USA 117473