ARKON SP25MM25 25mm Ball to 25mm Ball Adapter Retail Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Compatible with Arkon Robust Mounts or other mounts that feature the 25mm ball pattern</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31GMFMcBQlL.jpg" noproxy>