# HANDTOOLS (NONPOWERED)
> MSHA accident `220060120020` · 12/19/2005 · Stavola Construction Materials Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 23
- **Mine experience:** 17.62 years
## Operator
- **Controller:** Joseph  Stavola III; Richard J  Stavola
- **Operator:** Stavola Construction Materials Inc
- **Mine:** [2800015](https://api.ai-analytics.org/mine/2800015)
## Narrative

Employee was trying to remove a nut from C-9 conveyor using a spanner wrench. He realized he was tightening the nut rather than loosening it, so he stopped applying pressure on the handle.  When he stopped, the handle flung back and hit him on the right thumb knucle and broke it.

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