Sheet Metal Reducer; Type Tapered, Spiral, Heavy Gauge; Larger End Size 24 Inch; Smaller End Size 16 Inch; Length 10-5/8 Inch; Material Thickness 24 Gauge; Material ASTM A653 CSB Hot Dip Galvanized Steel; Crimp Supplied No; Includes 1/8 Inch Zinc Coated Rivet