... SpecifIcation1.SpecifIcation:L=70MM50mm2.Turnable Base 180 degree,Marine Hardware,Marine Hinge,Marine cleat,antenna mount marine hardware3.SS316 OR SS304Details1. Casting: investment casting ... , thread cutting.5. Surface treatment: glass rays electrolytic polishing, coating, varnishing, bromzing. Passivating, grinding, polishing6. Analysis wet chemically or by x ...