The Arizona nock must be screwed onto the insert (Caution: screw anti-clockwise). Then stick everything on the shaft. You can also stick the nock to the insert but it is not essential.
Uni-bushing 6.1mm for Arizona Z-nock
0,75€ inc. VAT
Designed to adapt Arizona nocks to shafts with an internal diameter of 6.2mm (Cheval Arc, Kassai, Powerflight, Flatline, Lightspeed, etc.)