SMALLRIG Cold Shoe Mounting Spud 1164

The SMALLRIG Cold Shoe Mounting Spud comes with standard cold shoe, enabling you to mount a cold shoe mount accessory, such as a camera monitor, to a rig. 

And it comes with standard 15mm(diameter) Rod portion (22mm long) with female M12 thread, so the spud inserts into a 15mm clamp, just like a 15mm rod inserts into and gets tightened in such an opening, it can also mount on to standard male M12 thread. Either way, once the spud is attached on something, you can mount various cold shoe accessories on it.