OOOOPS also, Most keys are not magnetic!! also do not try putting a drop of superglue on the end and pshing the good half into the lock unless you have a hose pipe ready to flush the inside of the lock immeadiatly after.
W.M.S key? I thought they were for window locks. Let me know is it a yale, euro, or padlock. I can then probebly let you know how to solve the problem.