Astromania M48X0.75 (2" Filter) Female to M42X0.75 T/T2 Male Thread Telescope Adapter

Product Review

T2 Delrin Adjustment Spacer Ring Set fits over any T-2 or M42 thread. For Steeltrack NT Focusers.

Altogether 15 pc - in 5 sizes, three rings per size (thickness 0.6/0.8/1.0/1.2/1.4mm)
Well suited to tune the rotary position of all kinds of T-2 accessories in approx. 90° increments, to move locking screws of eyepiece holders into a comfortable position asf.
Also helps to prevent binding when used as spacer between two metal surfaces connected w. T-2 thread
Baader T-2 adjustment/spacer-rings