66B Probe riser / adapter

This is a probe riser for the 66B tool probe. The holes are 1/2 inch and on 1 1/2 inch centers for a Saunders Machine Works fixture plate. (http://www.ebay.com/itm/IP67-CNC-Automatic-Tool-With-Blowing-Setting-Gauge-Z-Axis-Presetter-Locator-/332356341874?hash=item4d61fb5072:g:2sAAAOSwCY9ZnzKO)