3" diameter Blue Diamond TPU wheel and black powder coated rig with double ball bearing swivel, 2-5/8" x 3-3/4" plate mount and 225lb load capacity. Foot-activated Total Lock brake simultaneously stops the caster wheel rotation and swivel. Premium Blue Diamond casters offer soft and resilient non-marking blue TPU wheels for quiet and smooth rolling over most surfaces and striking black powder coated rig for high end look and performance.