This gray, aluminum Ball Head with 3/8"-16 ARRI-Style Anti-Twist Screw from Kondor Blue is designed to be used with the various ball head magic arms and ball head clamps. Your accessory secures using the thumbscrew and you can add torque by using an Allen wrench.

One end secures into the magic arm or clamp and the other end features a 3/8"-16 thumbscrew with ARRI-style, anti-twist locating pins for securely attaching accessories. The ball end features a blue rubber gasket for additional grip.