Speedi-Products SP-24BE90 08 8-Inch Diameter 24-Gauge Black 90-Degree Adjustable Elbow Double seamed All seams are spun, not beaded, after parts are fitted together which insures perfect fit, great strength and ease of adjacent Matte Black Used for connecting Wood Stove appliances to chimneys and Vent Stacks Adjustable to any angle through 90 degrees Used to make angular or gradual turns Consult your local codes for approved installation practices Sturdy 24 gauge construction