LLC Instrument
Our factory specializes, basically, on release of technical, clock and instrument stones. Such as pyroceram, corund foot bearings, ruby, ceramic bushings, and also corund nozzle and another.

Rollind watch stone.

Черчеж Фото. Вид под микроскопом.

It is applied to transfer the movement from the anchor wheels to balance in the clockworks.
Material: Ruby-5

Typesize: D (+0,006)=0,5mm; H (-0,025)=0,2mm