Triple Ply/ 3-layer golf Ball 1.Synthetic rubber core and surlyn coating. 2.Diameter: 42.67mm+-0.05mm 3.Reverse Strength: >85 Triple Ply/ 3-layer golf Ball Main specifications of Triple Ply/ 3-layer golf Ball Synthetic rubber core and surlyn coating.Diameter: 42.67mm+-0.05mm Weight: 45.3-45.93G (deviation 0.5G)Reverse Strength: >80-85%Material: Synthetic rubberDimple:392or438 shore hardness:90+- ...