This copying ring is necessary for routing box joints and an open dovetail joint. It exactly fits the templates of the VS 600 jointing system. Appropriate for the SZO 20 Z template of the VS 600 jointing system|Appropriate for the FZ 10 template of the VS 600 jointing system|Appropriate for the DS 32 template of the VS 600 jointing system. Copying ring for the jointing system VS 600. the copying ring can be precisely centred with centring mandrel 492187. for OF 900, OF 1000, OF 1010, OF 1010 R