Features:
1. Manual adjustable,precise controlling
2. Suitable for plastic and glass lenses
3. Adjustable groove position(front-central-rear)
4. Accurate on all edges
5. Adjustable groove depth: from 0 to 0.7MM
6. Goove width: 0.6MM
7. Lens diameter: from 18 to 70MM
8. Power: 95W

