CMS Magnetics Ceramic Magnet 1 7/8" x 7/8" x 3/8" Rectangle， Package of 12 Ceramic 8 Hard Ferrite</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>ceramic magnets Hard Ferrite</li><li>Gerade 8</li><li>Holding Power 3.5 lbs.</li><li>Economical option for science projects</li><li>10 year warranty on the magnetic strength.</li></ul></div></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/41v6rXp5S-L.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41YHq8W9QRL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41hreNA0TiL.jpg' noproxy></br>