  Brass Lace Vented Caps   Perforated, spun brass, unfinished, not lacquered. Available in 9 sizes.   OLVCAP2 : 2&quot;(51mm) in diameter  OLVCAP25 : 2-1/2&quot;(64mm) in dia.  OLVCAP3 : 3&quot;(76mm)&amp;nbsp;in diameter  OLVCAP35 : 3-1/2&quot;(89mm)&amp;nbsp;in diameter  OLVCAP4 : 4&quot;(102mm)&amp;nbsp;in diameter  OLVCAP45 : 4-1/2&quot;(114mm)&amp;nbsp;in diameter  OLVCAP5 : 5&quot;(127mm)&amp;nbsp;in diameter  OLVCAP55 : 5-1/2&quot;(140mm)&amp;nbsp;in diameter  OLVCAP6 : 6&quot;(152mm)&amp;nbsp;in diameter 