An anodized aluminum plate designed for the Convi Clamp with two M5 sets screws. Allows for the Arri PSU Rail Mount Adapter to be easily attached, and provides a mounting solution for supporting the power supply unit on any tube from 5-51mm or flat surfaces with the Convi Clamp. Also makes a nice attachment to a roller stand. (Size: 50 x 29.5 x 16mm)