The 3 Titanium Folding Firebox Gen2 Nano Ultralight Backpacking Stove (patent pending) Just got better, Firebox added position points for the Nano Sticks (included) this makes the Gen2 Nano perfectly adapted to Trangia Spirit Burner use. Allowing a full range of Simmer Ring adjustment and three head space settings (“Sweet spot” headspace of 1 in top position). The Gen2 Nano also accepts the Trangia Gas burner attachment. The Nano Sticks nest into the folded Nano in such a way that they cannot fall out. At only 4 ounces, the Titanium Firebox Nano is 3 wide and folds down to a ridiculously thin. Even with all this power, the Firebox Nano is one of the smallest wood-burning stoves on the market. Like its big brother, the Firebox Nano is hinged and requires no assembly. They built the Nano as light as it could be without the common warping problems of other stoves. Firebox uses thicker material than any of their competitors for good reason, wood fires create a lot of heat! No assembly, hinged construction. Perfect for the Trangia Spirit Burner (“sweet spot” headspace of 1 in the top position). Adjusts to fit small cups or large pans. Fits in your shirt pocket. Included with stove: 2 Nano sticks and White Canvas Bag for Stove. Width: 3 (8 cm). Height: 4.75 (12 cm). Weight: 4oz (113 g). Made of Titanium with the exception of the leg/pot stand wire which is spring tempered Stainless Steel, which is used for its exceptionally high strength.