The Avenger Variable Friction Arm is a fully articulated accessory with 90° pivotable and 360° rotatable ends, and an elbow that rotates 360° using a rubberized T-handle. The handle allows tension control via partial loosening for safe and precise positioning of a light head or camera. The arm It has 5/8" studs on ball joints at both ends with 3/8 and 1/4" female threads. The arm is compatible with the wide variety of gripware available with 5/8" receivers.