1. Strict compliance with manufacturing standards to ensure superior performance.
2. InstallSpecifications: (Inner Diameter of Ring Mm):
Top Ring: 1.0, 1.3, 1.6, 1.9
Side Ring: 1.2, 1.6, 2.0, 2.4, 2.8, 3.2, 3.6, 4.0, 4.4, 4.8, 5.2, 5.6, 6.0, 6.6, 7.0, 7.6, 8.0, 8.6, 9.0, 9.6, 10.0, 10.6, 11.0, 11.6 , 12.0, 12.5, 13.0, 13.5, 14.0,14.5,15.0,15.5,16.0
PackageList:
4 x Top Ring
33 x Side Ring