Three Directional Screw Anatomical (16mm/2 Point Act.)

Three directional anatomical screw with two activation points (simultaneously left and right, forward). Available in two expansion ranges - 3 and 4 mm (both directions, left and right together 6 and 8 mm). Respectively the width of the body is 14 and 16 mm. The thread parts are absolutely smooth and they ensure great sturdiness, good friction and prevent from any unwanted turning back.