Bi-Color Ceramic Cut Micro Kerrison RongeurDDP Elite USA Bi Color Ceramic Cut Micro Kerrison Rongeur is an instrument specifically crafted for use in spinal surgeries that require laminectomies. Bi Color rongeurs feature a combination black and gold titanium nitride surface treatment, which hardens and protects the instrument body and cutting surface for a durable, smooth gliding action. These coated rongeurs do not need sharpening as often as traditional rongeurs, thus reducing operating