MID49 ARRI Anti-Twist 3/8"-16 Screw to 1/4"-20 Striped Rosette Mount Adapter For Canon Viewfinder System & Shockmount, ARRI Anti-Twist 3/8"-16 Screw, 1/4"-20 Striped Rosette Thread, M4 Threads VIDEO PROF SUPPORTS-All Misc. Rig Components