NN3 MKII 15/0 degree click stop reversible detent ring will not fit older NN3's (total number of stops around to form 360 degrees n=24/0) The zero degree side in affect eliminates any click stops. 2
NN3 MKII 45-60 / 90-120 degree click stop reversible detent ring will not fit older NN3's (total number of stops around to form 360 degrees n=8-6/4-3). 1 ea. 6
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