20 and 22 opening into space 18 welded to the edge of the housing 16 opposite the section 14 is a ring 24 having a central opening 26 registering with the housing opening 22 and welded to the exposed end of the ring 24 is an arm 28 extending laterally from the ring 24 an appreciable distance and terminating in the embodiment here specifically disclosed in an end notch 30 adapted to be received around the lock pin 2 on the door jamb the arm 28 where it is welded to the ring 24 has an opening 32 which registers with the opening 26 in the ring 24 the tool is further provided with a part generally designated 34 which is adapted to engage the door latch 4 in the form here specifically disclosed the part comprises a rod 36 with a laterally bent end 37 the rod 36 being fixed to and extending from a shaft 38 externally threaded at 40 along its length but only partly around its periphery the shaft 38 is adapted to slide axially through the openings 32 26 22 and 20 and if necessary into the open end of the tube 14 passing through the interior open space 18 of the housing 16 the externally threaded portion 40 of the shaft 38 does not threadedly engage the surfaces of any of those passages however the central open space 18 of the housing 16 contains a rotatable wheel 44 having an internally threaded passage 46 which threadedly engages with the external threads 40 on the shaft 38 the outer surface of the wheel 44 exposed at the top of the tool for manual access may be knurled for ready rotation the.