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.
Here's a pic. The one in the pic does not have the "Corvette" sticker on it.
This is a Schrader Flame Tip gauge. Schrader built them for GM back in the day.