8 3/4 Oil seal?

I had a spring pop out when I was cleaning my 3/8 3/4 and was given these guys when I got my car with the parts. I'm pretty sure they are the outer axle seals but am not quite sure how they go in and my seal puller I bought it having a hard time getting the other ones out.

I could probably use more force, I just am always worried about breaking **** when I take it apart without knowing how to actually do it... Maybe breaking it is how you learn...:rofl: Or asking the geniuses on FABO always seems to work as well . :thumbsup:

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