Double acting spanner wrench

An apparatus includes first and second coupling devices each having a lever end, a gripping end, and an elongated slot: an axle disposed within the elongated slot of each coupling device where the coupling devices may pivot relative to each other about the axle: a threaded shaft operatively attached to both a bushing pivotally disposed at the first coupling device lever end and a threaded seat pivotally disposed at the second coupling device lever end and configured to advance the lever ends toward each other as the threaded shaft is rotated in a first direction; and a pair of latches rotatably attached to a respective gripping end of a respective coupling device, each latch having a distal toe plate configured to engage a circumference of one of a pair of washers, the apparatus configured to tighten or loosen the pair of washers by imparting opposite rotational forces to the washers.