The tool addition dialog is broken - if the units of the project do not match the units of the tool, then it applies un-needed imperial/metric conversions.
So, change your project units to inches, add your tool, then change back to metric.
The tool addition dialog is broken - if the units of the project do not match the units of the tool, then it applies un-needed imperial/metric conversions.
So, change your project units to inches, add your tool, then change back to metric.