C02046B, S.S. SUPPORT RING不锈钢支撑环（6件/套）

Six pieces per set, with bosshead, open ring. Made of Stainless steel
C02046B-1, dia.60mm
C02046B-2, dia.80mm
C02046B-3, dia.100mm
C02046B-4, dia.120mm
C02046B-5, dia.140mm