Leaded PB Markers for X-rays with Aluminum Backs</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Aluminum Markers are the highest quality tool for every film you take</li><li>Durable Aluminum casing adds density and improves the image</li><li>Letters are completely embedded in crystal clear epoxy</li><li>Color-Coded: R-Red / L-Blue</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/51tEpDjowBL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31DmRYNx3SL.jpg' noproxy></br>