- **Material**: Hardened steel for durability.
- **Diameter**: 125 mm (5 inches).
- **Clamping Range**:
- Internal jaws: 2.5–40 mm.
- External jaws: 38–110 mm.
- **Maximum RPM**: 3000 r/min.
- **Features**: Includes internal and external jaws, a safety chuck key, and mounting bolts. It is manually operated and designed for high precision.