CyberKnife® quality assurance films are now available in both the GafChromic EBT4 and GafChromic EBT-XD films. GafChromic specific laser precision cutting guarantees an ideal fit for your phantom. EBT-XD films allow for a higher dose range to better simulate actual patient treatment while using a phantom. Additionally, these films are used for daily, weekly and monthly quality assurance testing as required for the CyberKnife system.