Luminous Crossbow Bolt Nock(Shoot-n-On type) Model: ILNK-004

Size: 7.6mm Material: Outer shell is PC and inner core is ABC Battery: CR425 Package: Blister Pack(6 pcs included)Weight: 22.8g/pack Color:Red/Yellow/Green/Blue/PurpleApplication:Shaft with ID 7.6mm