12 Archery 5 and 5.5 mm Nocks
replace nocks on Discovery 300 arrows.
Are you looking to quickly replace Discovery 300 arrow nocks? You just have to push in and the job's done!
Only one color available
5 mm for Discovery 300: 28 inches 5.5 mm for Discovery 300 32 inches
Tube tolerance of more or less 0.2mm