1.It replace the damaged parts,needn't to uninstall the pulley lagging 2.The lagging needn't disassemble,installation on site Advantages:1,It replace the damaged parts,needn't to uninstall the pulley lagging2,the lagging needn't disassemble ,installation on site.3,Easy to install because the hole pattern already exists4,High quality of rubber meterial ,wear resistance and anti-static electricity