McGill CYR2-1/2S Cam Yoke Roller is a cam yoke roller from McGill, identified by the part number CYR2-1/2S. The product description lists it as MCGILL CAM YOKE ROLLER CYR 2-1 2 S, confirming the model designation. This CYR2-1/2S variant is the specific McGill cam yoke roller in its lineup.
