A boiler wall tube tool has a first clamp member positioned about one side of the boiler wall and a second clamp member positioned about the opposite side of the boiler wall. The first clamp member has recess or recesses, each recess receiving one of the tubes therein. The second clamp member has a radius or radiuses abutting against the opposite side of a tube or the tubes. The first clamp member and the second clamp member are coupled to one another about the tube or tubes through slots formed in the first clamp member and the second clamp member.