# HANDTOOLS (NONPOWERED)
> MSHA accident `220060900016` · 03/17/2006 · Argos Puerto Rico Corp
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Caught in, under or between a moving and a stationary object
- **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:** 0
- **Mine experience:** 31 years
## Operator
- **Controller:** Italcementi Spa
- **Operator:** Argos Puerto Rico Corp
- **Mine:** [5400120](https://api.ai-analytics.org/mine/5400120)
## Narrative

Employee was removing a tide rod pin from the roller mill hydraulic piston. While holding the nut wrench in position, his coworker struck the wrench with a 20 pound sledge hammer to loosen the nut. With the impact the wrench slipped out, and pinned his left hand third finger against a steel bin.

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