# DIMTZIN System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2027/System%20Variables/D/(D).md) ## Function Description: The DIMTZIN system variable is used to control the zero suppression for tolerance. | | | | --- | --- | | Type | Integer | | Saved in | Drawing | | Initial value | 0 (Imperial) or 8(Metric) | | Range | 0 ~ 15 | ## System Variable Value: **0:** suppress zero feet and zero inch **1:** include zero feet and zero inch **2:** include zero feet and suppress zero inch **3:** include zero inch and suppress zero feet **4:** suppress the leading zero in decimal dimension **8:** suppress the trailing zero in decimal dimension **12:** suppress the leading zero and trailing zero --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Dgsv/DIMTZIN.html) · © Gstarsoft Co., Ltd.