The locking system allows a 30° angulation in all directions using a patented technique with an expanding washer.
The screw is self tapping to make it easy to use.
Special instruments have been developed to facilitate the use of the screw.
The screw is available in lengths from 10 to 26mm in 2mm increments with a diameter of 3.5mm.
Expanding washer (EWS) technology protected by US.pat. no US5735853
