# HANDTOOLS (NONPOWERED)
> MSHA accident `220152290012` · 08/18/2015 · 3M Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Skip tender, Station tender
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 19.83 years
## Operator
- **Controller:** Minnesota Mining & Manufacturing Company
- **Operator:** 3M Company
- **Mine:** [0400191](https://api.ai-analytics.org/mine/0400191)
## Narrative

Employee was performing screen change on #8 Rotex in Coloring Building and using wrench to tighten jackscrew. The wrench slipped off the jackscrew causing strain in left shoulder.

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