Magna-flip Clip on Flip up Magnifiers， Converts Distance Glasses and Into Reading and Computer Glasses. +4.50 Power</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Lens size - 60mm x 52mm x 138mm Overall Width</li><li>New leg profile to fit both metal and plastic frames</li><li>All metal alloy construction - virtually unbreakable clip mechanism</li><li>Legs have proprietary coating to protect ophthalmic lenses and prevent shifting and scratching</li><li>Convenient one hand application to Prescription frames with positive indexing lens positions</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/31QUpmvLStL.jpg' noproxy></br>