# HANDTOOLS (NONPOWERED)
> MSHA accident `220242360017` · 08/20/2024 · Black Hills Bentonite A Limited Liability Co
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Ball/Rod/Pebble/Hand/Limestone/Dry mill operator, Roller operator
- **Activity:** Machine maintenance
- **Injury source:** HAND TOOLS,NONPOWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UPPER EXTREMITIES, MULTIPLE
- **Days lost:** 211
- **Mine experience:** 0.38 years
## Operator
- **Controller:** BHB Limited Partnership; A&M Products
- **Operator:** Black Hills Bentonite A Limited Liability Co
- **Mine:** [4801042](https://api.ai-analytics.org/mine/4801042)
## Narrative

Employee was moving screw upstairs when it slipped in hand and pinned thumb back to their wrist.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*