# \#combination **URL:** https://fireball.discourse.group/tag/combination/6.md [Latest](https://fireball.discourse.group/latest.md) · [Categories](https://fireball.discourse.group/categories.md) · [Tags](https://fireball.discourse.group/tags.md) --- ## [What scale or ruler works in the Fireball Tool Combo square?](https://fireball.discourse.group/t/what-scale-or-ruler-works-in-the-fireball-tool-combo-square/147)
**Author:** [@Fireball\_Jason](https://fireball.discourse.group/u/Fireball_Jason)\ **Replies:** 6\ **Last updated:** [January 22, 2024, 3:33am UTC](https://fireball.discourse.group/t/what-scale-or-ruler-works-in-the-fireball-tool-combo-square/147 "2024-01-22T03:33:56Z")
I get this question all the time, The quick answer is Yes most scales or rulers that are 1’’ wide and have the grove in the center works. Scales from Starrett, Mitutoyo, empire, or cheap rulers work. Its recommended that…