Abstract: [PROBLEM] An object is to provide a lock device having high locking strength. [SOLUTION] An outer peripheral portion of a hook 57 in a lock device is formed with a recess 57d, which is formed to extend inwardly from a peripheral surface, and a first face 57g, which is formed at a side of a rotation direction toward the unlock position of the hook 57 than the recess 57d and intersects the rotation direction of the hook 57, and a pawl 61 is formed with a protrusion 61a, which is detachably engaged with the recess 57d of the hook 57, and a second face 61c, against which the first face 57g of the hook 57 is capable of abutting.