This is 24 gauge black cold rolled steel for wood burning.
Measures: 4" x 90 Deg adjustable elbow
Used to connect two lengths of flue pipe together
Adjustable from 0 Deg. to 90 Deg.
Although
this product is new, The manufacturer only applies one coat of paint, and
usually has some light scratches on it from shipping. You may have to apply
some touch up paint after installation.