Lot of 2 Aluminum plates 23 3 4x3 3 8x1 each 17455

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  For sale is a Lot of 2 Aluminum plates;
  23-3/4x3-3/8x1" each
  They are screw together (last pic.).
  They have few holes: one - 7/8", and several 1/4"
   A ditch is 6-3/8 x 1" (pic 4, left part)