How to replace 10-127 on shower door

A handy person from NV. says:
how to replace 10-127 on the shower door. They are all missing. Thank You.
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Dave Sr. from SWISCO responded:
The 10-127 shower door guide is designed to be used on a particular shower door that will already have the hole in the bottom door rail. If you don't have the existing hole I would not recommend that you use this guide. You can send us some photos of your shower door and we can do our best to find a good match.
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