Williams Key X DOORJAMM

The DoorJamm tool is USA made synthetic rubber with the following properties:
        1/16” thick x 3″ wide x 10″ long
        Operating Temperature Range:
        Brittle at –70F Melts at +250F
        Minimum Elongation: 200%
        One DoorJamm weighs about 1 ounce
        DoorJamm is intended for use on these handle types:
        · Round or oval door knobs
        · Door levers
        · Pushbars / crashbars
        · Push plates / pull plates
        · Commercial door pull handles
        · Magnetic door latches/plates