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M4 thumb screws


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I am being particularly fussy on these Derek as I plan to swap out all my M4 screw on focusers, adapters etc. I have found these thumbscrews to work great with or with out gloves and easy to get a good grip on to make sure ep's are secure. Plus they look good and don't rust. I have never been all that fussed for the zinc coated metal ones you often find on SW scopes.

This is the spec http://agenaastro.com/gso-crayford-m4-thumbscrew-long.html but I can't find them anywhere local and don't really want to have to go in to the expense of shipping them half way around the world if I don't have to.

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