・Available for all kinds of lenses - mineral glass,plastic（CR-39）and polycarbonate as well.
・Two-sided drilling system + Powerful and quiet DC motor perform speedy drilling without cracking.
・Fine-designed, durable drill pits make always attractive finish.
・Suction lens chucking ensures the drilling angle.
・The inside diameter of the hole is adjustable with a scale to a precision of 0.2mm and the drilling position can be confirmed with a positioning dial.