# HANDTOOLS (NONPOWERED)
> MSHA accident `220200170018` · 01/07/2020 · Iron Oak Permian LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 0.79 years
## Operator
- **Controller:** Black Mountain Sand Holdings LLC
- **Operator:** Iron Oak Permian LLC
- **Mine:** [4105326](https://api.morvs.ai/mine/4105326)
## Narrative

Employee was attempting to remove a large nut on SCR 311 in order to adjust the hanger arm with a 36"" pipe wrench. Nut would not break loose so second employee came in to help. Both employees were pulling on pipe wrench when nut gave way, causing second employees thumb to be bent backwards, injuring tendons in thumb.

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