9.0 mm shaft, 90 degrees angled 2.0 mm tip, curved, 4-1/2″ (11.5 cm)?Lewicky Lens Manipulating Hook is a commonly used tool during cataract procedures. The hook is used to manipulate the opacified native lens during a phacoemulsification procedure. The extended length of the hook combined with the angled tip minimizes surgical obstruction during the procedure.