The single-wall silver elbow, constructed of 26 gauge steel, creates bends and turns in stove pipe, which enables you to vent the stovepipe out of a tent wall. The elbow, being able to adjust from 0° to 90°, also provides a means to offset stove pipe without having to move your stove. Comes in 3", 4", 5", 6" and 8" diameters.