... belt,excellent elastic and flexural property2)High transmission efficiency under the operating environment of high-speed rotation,reverse flexure,small band ... pulley,ect.3)Core rubber with high tension and low elongation,while the consistent tension ismaintained ... :Mix size packed in export standard cartons(Meas.65x37x27cm). Fan belts 3PK,4PK,5PK,6PK,7PK,8PK,9PK,10PK,12PK ...