8x10 dark slides aren't all the same---some are aluminum, but they should all be interchangeable.
At least the ones I've come across are interchangeable.
The ideal tape to use for a replacement on your Sterling film holder is bookbinders tape.
I have used gaffer's tape---'cause that's what I had. Gaffer's tape is useable but it's a bit too stiff when it comes to loading film, but it will work. Bookbinder's tape is preferred though.
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