No. Since the Rail Roller can be used for any scale, there are too many combinations to reliably pre-calibrate the tool. You will quickly find this isn't necessary anyways as the tool is straightforward to adjust and use.
No. Since the Rail Roller can be used for any scale, there are too many combinations to reliably pre-calibrate the tool. You will quickly find this isn't necessary anyways as the tool is straightforward to adjust and use.