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:

1. Depth of embedded retaining nut in the locking ring increased.
2. Options for “Plastic” insert for single saw blade added
3. Option for 10mm wide “Plastic” DADA insert added.
4. 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.