2X  Desmond Boss adapters.  New
Two,  3 piece sets. 
Ideal for head with a female Boss.
These adapters allow you to replace the original clamp
with the clamp of your choice.
Works with all Desmond and Sunwayfoto clamps.
6mm screws (25mm in length) is included.
Allen wrench is also included.
Please note: head and clamp shown for illustration only.