Comparison : Item # YR-3/4, YR, YR-X Yoke Rollers
Item # YR-7/8, YR, YR-X Yoke Rollers
Item # YR-1, YR, YR-X Yoke Rollers
Item # YR-1 1/8, YR, YR-X Yoke Rollers
Item # YR-1 1/4, YR, YR-X Yoke Rollers