(pack of 5) Magnetic Stir bars 8mm x 40mm (1.5") PTFE with center ring

Description

Pack of 5
8mmx40mm (~1.5") ptfe stir bar with center ring
Stir bars made of ptfe, highly chemical and temperature resistant, they also feature a center ring for better balance and operation on uneven bottoms.
There are lots of stir bar "packs" with unusable small stir bars that are ineffective at best, don't make that mistake instead get (5) 1.5" stir bars that will outperform the competition and keep your science project going.
If these are listed they are in stock, don't wait for other suppliers from across the world, these will be taken to our local USPS within (1) business day of order and tracking updated accordingly.
The first set pays shipping extra ones don't.
*Lowest setting on our stirrer creates vortex