The McCallum universal expandable blowpipe has black button mounts. It swivels and expands and contracts to give you whatever length and position you desire.
The expandable range is 9 1/2" to 12 1/2".
This version includes a round mouthpiece in the price.
Important Product Note: All bagpipe bags can develop mold and fungi with regular use if not cleaned and disinfected properly. This can lead to chronic inflammatory lung disease. Please take careful precautions to ensure your bag and blowpipe are cleaned and disinfected on a regular basis to prevent mold and fungi from developing.