# HANDTOOLS (NONPOWERED)
> MSHA accident `220142270033` · 08/11/2014 · Lhoist North America of Tennessee, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Belt foreman, Maintenance foreman, Maintenance supervisor
- **Activity:** Hand tools (not powered)
- **Injury source:** HAND TOOLS,NONPOWERED,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 34 years
## Operator
- **Controller:** Lhoist Group
- **Operator:** Lhoist North America of Tennessee, LLC
- **Mine:** [4000087](https://api.ai-analytics.org/mine/4000087)
## Narrative

Employee was attempting to tighten a 4"" pipe coupling in a vise. As he put pressure on the handles to tighten the vise the coupling slipped. This allowed the vise handle to free wheel causing employee's hands to slip and loose his grip. The sudden jerking motion injured his shoulder.

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