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PPG Herculite is only the name of the glass manufacturer, not the door. That said, based on your pictures I think you could consider our 89-020 keeper. It looks like the hole spacing line up. Furthermore, it looks like your mortise lock is offset in the door, so the keeper would also need to be offset in the jamb. That's probably why there are two sets of holes. Also take a look at our 89-029 keeper, it's worth considering as well.