Fuel tank

A fuel tank comprising:

• a circular column-shaped fuel tank body provided so as to be capable of being detachably attached to a fuel-powered device;
• a handle formed on one end side in a length direction of the fuel tank body;
• a lock mechanism that is capable of switching between a locked state in which the fuel tank body cannot be removed from the fuel-powered device, and a lock-released state in which the locked state has been released, due to the fuel tank body being rotated in a circumferential direction in a state of being installed to the fuel-powered device;
• and
• a recess indented in the length direction on the one length direction end side of the fuel tank body, the recess is formed in a cover member that is capable of being detachably attached to the fuel tank body,
• wherein the handle is provided inside the recess.