⚠️ To prevent item substitution, we are verifying and documenting the included accessories before shipping. 1/4 inch-20 to 3/8 inch-16 Thread Monitor Mount Adapter Mounting adapter screw for SmallHD monitors. ARRI camera cage rig accessory or extension magic arm This item was only installed once after purchase. The 1/4 inch screw side does not have an ARRI locating pin. Shipping may be via non-standard mail.