Thank you for that Martin.

Do you know how accurate they are or can be?

If I understand you these are used to reference the machine; a part is to be machined with a gap period when the power is off. If this is correct it would be wonderful for me as I get five time more power cuts than hair cuts.

Greeting to everyone from a man in need. Back while living in the U.K. I bought a Denford Easimill, with history. It came from a government sale of equipment used for training inmates at H.M. prison at Long Lartin, Worcestershire where it had given excellent service making keys, knives and other ite...