I am on a 4axis milling machine, and I have seen information about Variables #5081, and #5082 containing values of active height offset of tool in spindle. I am not on site to check this, but does anyone know which variable has the value of the active height offset?

What I am trying to do is set up a macro program do drop the height offset by about .005" every time the tool is called, up to a limit of course. This is for a deburring brush that wears as we use it.

Thanks.