They need to be carefully installed. Putting socks on requires some form of lubricant. Don't try to pump them up. You will damage them or the frame. Remove old nose pieces and socks. It's a good time to remove your lenses and clean the entire frame while you're at it. I just used dish soap and water, lathered it all up and put my socks on. Rinse and dry everything. Put the turrets on the lenses and bam like new. Nothing more to say. These are factory replacements, about what I expected. The blue was a little lighter than the picture so they look dark blue. Although I like her.
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