NN4/5 Reversible Brass Detent Rings

These reversible brass detent rings work for NN4 and NN5 series pano heads using default rotator.
This listing is for "one" ring only.

Available options:

• 10/12 degree stops
• 15/18 degree stops
• 30/36 degree stops
• 45/60 degree stops
• 51.4/72 degree stops
• 90/120 degree stops