E.R. Wagner Cart &amp; Tool Box Plate Caster， Rigid， Soft Rubber Wheel， Roller Bearing， 350 lbs Capacity， 5" Wheel Dia， 2" Wheel Width， 6" Mount Height， 3-3/4" Plate Length， 2-3/4" Plate Width<img src="http://ecx.images-amazon.com/images/I/41wF80PDCGL.jpg" noproxy>