Bench Dog Tools 40-189 Caster Brackets<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Made from heavy duty aluminum</li><li>Includes 4 two-piece brackets with nuts and bolts</li><li>Maximum stem diameter: 1/2-Inch Minimum panel width: 5/8-Inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41MIGbSQZ3L.jpg" noproxy>