polished Products nameØHole-ØalloytypePUitem No.hollow rings3,0x1,01.0mmYG 585/-smooth2/10480290hollow rings4,0x1,51,1mmYG 585/-smooth2/10480291hollow rings5,0x1,61,1mmYG 585/-smooth2/10480292hollow rings6,0x2,21.2mmYG 585/-smooth2/10480293