The Tru N Dress Grinding Wheel Dresser by Don Geiger is new. It has a micro-adjustable diamond that is used to remove metallic build up (de-glazing, smooth the aggregate and produce a perfectly flat surface on grinding wheels. You get what you see in the pictures.
It works perfectly on a Wolverine tool rest or similar tool rest.
New: $80 Asking: $50 plus shipping OBO.
Please let me know if you have any questions.
Rick