BIPEE Octagon Magnetic Stir Bar with Integral Pivot Ring， White，6 X 15mm PTFE Cover Stirring Rod Pack of 10</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>