Gas cylinder separation tool set

A tool set comprising:

• a first pair of pliers having a first pair of jaw hingedly connected to one another and a first handle extending downwardly from each first jaw, each first jaw having a semi-circular first cutout so that when the first pair of pliers is in a first closed position, the two first cutouts mate and form a first circular opening;
• a first pair of undulation plates, each first undulation plate attached to a respective one of the first jaws so that when the first pair of pliers is in the first closed position, the two first undulation plates abut and form a first ring that encircles the first opening, the first ring having a series of first hills and first valleys;
• a second pair of pliers having a second pair of jaws hingedly connected to one another and a second handle extending downwardly from each second jaw, each second jaw having a semi-circular second cutout so that when the second pair of pliers is in a second closed position, the two second cutouts mate and form a second circular opening;
• and
• a second pair of undulation plates, each second undulation plate attached to a respective one of the second jaws so that when the second pair of pliers is in the second closed position, the two second undulation plates abut and form a second ring that encircles the second opening, the second ring having a series of second hills and second valleys.