Lead And Glass Stop Blocks<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Designed to work with horse shoe nails - the blocks fit snugly to the edges of glass</li><li>25 stop blocks per pack</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31o75PMzSGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Q3BCgbE4L.jpg" noproxy>