DeWalt DW7491 XE Saw - Replaceable Zero Insert

This adaptor has a replaceable zero insert which can be removed and replaced by a dovetail shaped wood (MDF or Hardwood) insert which retains the major portion of the throatplate and allows a cheap easy to manufacture insert.The adaptor has been modified following a request as follows:Depth of embedded retaining nut in the locking ring increased.Options for “Plastic” insert for single saw blade addedOption for 10mm wide “Plastic” DADA insert added.Dimensions for the wooden insert provided - 35 mm wide on the bottom surface of the insert x 9 mm thick with 70 degree (20 Degree) dovetail.