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  • 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