Here is one set of 10 pieces Clippard Brass swivel fittings, model 15040. 10-32 male port on bottom and 10-32 female port on top. These are used. No vendor packaging. A few minor blemishes from previous use. No rubber o-rings included but will include fiber gaskets. Free shipping via USPS 1st class package / box with tracking. Check out my other listings. If you have any questions, let me know please. Thanks.