A portable multipurpose lock having a shackle base with two parallel rods having opposing interior sides with spaced-apart detents, an adjustable lock body with through holes for slidable insertion of the rods, a lock for engaging the rods to secure and lock the lock body on the rods, and one or more recesses formed in the shackle base, lock body, or both, which facilitates placement of the lock around an object or objects to be secured.