... steel,double ball race,zinc Plated. Function Material Item No. Wheel Diameter Tire Width Bolt Hole Size Installation High Capacity(KGS ... 32 129 100 081HT125PU 125 32 154 120 This caster wheel is used for Platform trolley,Handtruck,trolley,Hand cart,transfer ... ,Folding Rolling Supermarket Shopping Carts, grocery cart collapsible shopping cart 4 Wheel,climbing shopping cart.