For ARTEMIS 2, artemis Gen. 1 Stabilizer For Mounting Volt Control Box Threaded and Passthrough Holes For All ARRI SAM Plates For Mounting Wireless Focus Unit Includes 4 Mounting Screws Attach a Steadicam Volt control box or focus unit to your ARTEMIS 2 or artemis Gen. 1 Stabilizer using the SSB-3 Stabilizer System Bracket from ARRI. This I-shaped bracket is compatible with all SAM plates and comes with four mounting screws.