PU wheel with PP core,double ball bearing cator 1.material:PU,steel 2.75mm- ... 125mm 3.capacity:80-120kgs PU wheel with PP core,double ball bearing cator1.zinc plated finish2.function:suitable for ... you. 1. material: 2.size: 3.color: 4.mounting ways(fixed,plate,thread,bolt hole) 5.quantity: 6.surface finishing: 7 ...