Bayonet Rotating Kerrison RongeurDDP Elite USA Bayonet Rotating Kerrison Rongeurs feature a fully rotatable and bayoneted instrument shaft, removable with the click of a single thumb release lever. The rotating shaft allows for a range of cutting angles, and the removable shaft is ideal for thorough decontamination and sterilization of the instrument. The bayonet shape also allows for better visualization. These shafts feature the larger bite opening typical of Spurling Kerrison