SY America Designed one of the newest mold full face double ball bearing thicked polyurethane ,more heavy load capacity polyurethane tread shopping cart wheel 5"diameter, 1-1-1/4" width, we have different size top plate, small, medium, and large plate, and different threaded stem length 1", 1-1/2”， 2-3/4" and thickness 1/2" , 5/16" caster, also you can customize the side top lock brake or total lock brake.