Torque-limited final tightening
Set screws are tightened provisionally and then finally with a torque-limiting handle used through an anti-torque instrument. A tactile and audible click shows that the recommended torque has been reached, so the surgeon need not judge tightness by feel.

TRIMIAnterior cervical plate system
VERTELIFT-CAnterior cervical corpectomy cage
POLARCervical PEEK cage
POLAR-BCervical bladed PEEK cage
CARSTENTrabecular stand-alone cervical cage
D-FLEXTitanium cervical disc prosthesis