Baader 2" Click-Lock Adapter for SCT with 3.25" Thread This
2" Click-Lock Eyepiece holders is the latest innovation designed by
Baader. With a simple twist, this
Baader Adapter are able to lock 2" eyepieces and accessories instantly. No more thumbscrews and imprecise eyepiece holder.
Baader 2" Click-Lock Eyepiece Adapter Features: 3-point Clamping Guarantees Consistent Centering
Very Low Force Required to Rotate & Lock
No Misalignment at All Even For Heavy and Long Accessories
https://www.ozscopes.com.au/baader-2...25-thread.html
As new. $110 plus postage