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For easy and practical use
It can range in color from a pale silvery blue to an opaque to a sea green all the way to a cloudy grey
Built for Performance
it produces a very appealing blue
321550 Tungsten Tweezers
Unobtainium Northstar Glass Rod Numbers&Letters For easy and practical useNorthstar Unobtainium Borosilicate Glass Rods Northstar Unobtainium is a very dense gun metal blue with lots of sparkle. It is well suited for stringer application and blown work. It is easily worked and can take a lot of heat. To keep the color most vibrant, work in a neutral to slightly oxidizing flame. Try to avoid deep encasement, it may cause cracking. Please use Northstar Unobtainium with care and test your application before making expensive