The Vixen HAL-110 and HAL-130 tripods are, from the standpoint of the ScopeRoller product, identical. We have recently changed from a design that replaces the foot in the leg to a rectangular sleeve that bolts on to the outside of the leg.
Installed on a Vixen mount.
The front of the HAL-110 (bottom) and HAL-130 (top) legs. They are almost identical from the front except for color.
The back of the HAL-110 (bottom) and HAL-130 (top) legs. The screws are 1.16" (30mm) apart on the HAL-110, and 1.57" (40mm) apart on the HAL-130.