These brick ledge offsets fit our 2x3 and 3x4 rectangular downspouts
Our offsets are available for 1.5", 3", 4", and 5" ledges.
The top part of the offset fits around the downspout feeding into it from the top and is crimped to fit inside the the downspout that it runs into.
Offsets can be soldered, riveted, or screwed to the adjoining downspouts.