Specification ：

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