1.Titanium ball 2.Material:Gr1,Gr2,Gr5,Gr7,Gr9,Gr12 3.Size: ... case gr5 Ti-6al-4v 60mm diameter Titanium ball for chain 1>Titanium ball Item nameTitanium ballMaterialGr1,Gr2,Gr3,Gr5,Gr7,Gr9 ... mechanical features.We will ensure the surface quality to be mirror polished without scratches,small holes,etc. Company overview