Experience with Stirbars.com?

edited February 2015 in Magnets
Stirbars.com has 2mmx7mm and 2x5mm magnets coated with PTFE (http://www.stirbars.com/list.php?sessionID=60ea195aa627320143e81adb440696f1&category=Stir Bars&subCat=Micro PTFE).  10 pack is $26.00.  Does anyone have any experience with them?  Or a better supplier in the US that will do small orders?  I'm planning on injecting these with a microchip syringe.


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