Ted B., glad we could help. AFAIK, There are no model numbers for blades they are known as wide frame and narrow frame. (the actual blade doesn't matter it is the subframe) Here is what the one you want looks like. Note the two "pegs" pointing outward.
(Message edited by kmcconaughey on November 15, 2005)
(Message edited by kmcconaughey on November 15, 2005)