It says Made in America so it probably costs twice what you can buy in retail stores in America that ship from China. Such is the sad state of American industry. I was concerned about the accuracy based on other scientific tolerance measurements, but since I had an Amazon gift card I decided to purchase. It was easy and I got a spark! So any tolerance we're dealing with is tolerable I think, and that's enough for it to work. kewl and splurge because it's not the deep etch I mean.
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