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description: Dive into Ultralytics detailed utility guide. Learn about Bboxes, _ntuple and more from Ultralytics utils.instance module.
keywords: Ultralytics, Bboxes, _ntuple, utility, ultralytics utils.instance
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# Reference for `ultralytics/utils/instance.py`

!!! note

    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/instance.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/instance.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/utils/instance.py) 🛠️. Thank you 🙏!

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## ::: ultralytics.utils.instance.Bboxes
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## ::: ultralytics.utils.instance.Instances
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## ::: ultralytics.utils.instance._ntuple
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