Supported O.E.M.'s › ICS-715-011640-008 8" FOCUS RING Image 1 of 1 ICS-715-011640-008 8" FOCUS RING $0.00 8" FOCUS RING Add To Cart Added! 8" FOCUS RING You Might Also Like ICS-713-011558-001 RING INSULATOR ICS-715-011531-002 UPPER ELECTRODE, ALUM. ANOD. 6".. ICS-713-140134-001 PIN, INDEX QTZ RING ICS-715-009827-001 RING, EDGE 4" ICS-714-704611-001 CROSSBAR LONG