Date: 08/22/2008 Views: 3050
Date: 12/31/1969 Views: 3472
Date: 08/26/2010 Views: 1612
Date: 08/23/2023 Views: 104183
Date: 05/23/2007 Views: 537108
Spacing is 1/2". next time should probably try 1" spacing and see if tube is strong enough. Y11-09-02