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			Hi Craig, If you are talking about the left and right handed brackets with the 3 holes for the wood screws, then the bolt hole in the bracket is 25/64" (a clearance hole for a 3/8" UNF bolt)Cheers,
 Lynn.
 
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 Carrier Armoured O.P. No1 Mk3 W.  T84991
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 So many questions....
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