BIPEE Octagon Magnetic Stir Bar with Integral Pivot Ring， PTFE Cover Stirring Rod， Pack of 10， 9mm Diameter， 50mm Length</br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31cWaeOXUZL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41ENtgsHKSL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41wb3y-dYAL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41bra90uqmL.jpg' noproxy></br>