Single stage Arri 1-2-3 block

Single stage Arri 1-2-3 block, can be used with the newer Arri cameras (235, Alexa), to extend the carrying handle, or mount accessories.  Blocks can be screwed together to create any shape, greatly expanding the accessory mounts on Arri cameras.  Blocks have 3/8-16 mounting holes on all faces.  Works well with the Screw on Preston MDR Mount.  Available as either 1, 2 or 3 stage.