The CROM 3 instrument retains all features of the CROM with new 3 inch dials which are easier to read and provide readings to one degree and improved location of the sagital and rotation meters. It provides easy to repeat cervical flexion, extension, sub-occipital fexion and extension, lateral and rotaion measurements. It comes complete in an attractive carrying case and also includes a tape measure for rounded shoulders, a standardized written protocal and an instructional DVD. VHS format available upon request.