Newmatic Medical/Marketlab MRI Phantom CradleMRI Phantom Cradles for Use with ACR Phantom Consistently and precisely positions the ACR Phantom in the head coil in less than a minute, saving valuable MRI time approximately 30 minutes per week 26 hours per year. They also save the MRI technologist the frustration of positioning the ACR phantom without a compatible cradle. Features multiple adjustable set screws.