It is adequate for Glass, Plastic and Poly lens. System penetrates both faces of
lens. Reams the drilled hole with high accuracy in the range of 0.8 to 2.8mm.
Notch available in two sizes 0.8mm and 1.0mm. Depth of notch can be adjusted
freely. Has protective cover for safety. Lens holder fixture included.

Specifications:​
Weight: 4.8 kg.
​
Model: HR-20.988