1.Free moving,wearing resistant,high temperature resitant 2.Non-deformation,low noise,east to assemble and dismantle Model parameters and installation dimensions instructionsSmall SeriesChain link Overall: Do not split/ Semi-enclosed: Removable unilateralTowlineHIWIHOWOPCS/MeterRAssembly Type15 Serise1515202639028,038,048Semi-enclosed2019.52849Overall