1.Description:stair climber wheel 2.materia:steel,rubber 3.dimension:160mm dia of each wheel 4.capacity:130kgs 5.bore:40mm Description:stair climber rubber wheelsFactory overview Category:tent connectors,furniture legs ,furniture parts,wheels,electronic enclosures,automotive parts,household plastic , industrial plastic Material:ABS,PP,Nylon,PVC,POM,PBT,TPR...Service:Sales & Consulting Design or ...