This stoves arm measure an impressive 17 x 17cm ,Portable Lightweight Large Burner Classic Camping and Backpacking Stove. It is a necessity for camping/backpacking/hiking/emergency/bike-packing.Stove weighs 8.8oz/250g ,Small size, folding furnace body,dont take up much space. Easy to install, screw on the canister in a minute or less. Great for your backpack hiking travel and outdoor camping so onSturdy and large work area:its very stable because the pot supports fold out wide. You don't have to worry about your pot or pan tipping. With its increase size and weight comes more stability, a larger cooking surface, and more versatility.The control valve handle allow you easy to regulate flame, how low or high you want. Stable, efficient, powerful, smooth flame adjustment, easy to use.Question:the platform on this stove is unstable; Answer:When installing the stove, make sure it is installed correctly. Question:After adjustment,the stove is still not level;Answer:Please contact the seller,the seller will solve it.