The Svea 123R Brass Backpacking Stove is a classic stove and a conversation piece. Long used by both mountaineers and backpackers it is renowned for its reliability and durability. It is compact and lightweight. It is easy to light and adjust. It is solid and sturdy. It is made of very shiny brass. This classic stove has a built in cleaning needle to keep your stove running at optimum efficiency. The fuel/flame adjustment key is attached so it can't get lost (you've got to really work at it to lose it). And the adjustment/maintenance wrenches are built into the multifunctional adjustment key. See why this workhorse of a stove has been around for generations and will be for generations to come.Brass construction is solid, durable and reliable. Built in cleaning needle works automatically. No priming required for cold weather. Control valve key doubles as a mini tool box. Wrenches required for field maintenance have been stamped into the key. Brass windscreen has built in pot supports which fold in for compact storage. Aluminum lid also serves as a small pot to cook in; detachable handle. Rating: 4,700 BTU. Burn time:Up to 75 min. on one filling at maximum output. Boil time: 34 fl oz.(1 L of water) in 7 minutes depending on climate, altitudes etc. Fuel: White gas, Coleman fuel. Size: 5 in. x 4.5 in. (folded). Weight: 18 oz.