This is a set of two long arms for a Synergy Stand, they are used on stand layouts that hold three screens in a row.
Each arm will attach to part S2-M1 and will then hold one S2-V1. The fixings to attach the S2-M1 and S2-V1 components to these arms are packed with those parts respectively.
Note: This is a set of two arms.
Watch the following video to show the installation steps for this component: