Bi-Color Ceramic Cut Micro Kerrison Detachable RongeurDDP Elite USA Bi Color Ceramic Cut Micro Kerrison Detachable Rongeurs feature a swing style shaft which opens up to allow easy cleaning of the shaft interior. Once the thumb release lever above the handle is depressed, the top portion of the cutting shaft unlocks and is able to be swung open, though it remains hinged. This prevents the risk of loss through separate parts. Bi Color rongeurs feature a combination black and gold titanium nitride surface