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One set of 3 plastic blue, black and red extensions for Nano VNA calibration tools. Includes para cord keeper as shown. Calibration tool fits snug but not tight so you may want to glue these in with a very small amount of epoxy or silicone. Just a slight amount is all it takes to prevent these from coming out of the plastic extension.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.