New Archery Products Illuminated Nock 3-pack Green. New Archery Products built these Arrow Tips & Inserts from a polycarbonate blend with an aluminum shaft creating a powerful and rugged piece of equipment that will deliver premium performance time after time. This New Archery Products Thunderglo Illuminated Nock is designed to light up your arrow for increased visibility at night or during those late-night snow sports. These nocks are crafted with durable materials that ensure years of use. Easily activate these nocks with the easy on/off feature and they fit most any arrow type. Boost your visibility in the field or on late-night hunts with these New Archery Products Thunderglo Nocks Inserts. Specifications for New Archery Products Illuminated Nocks: Manufacturer: New Archery Products Fabric/Material: Polycarbonate/Aluminum Package Contents: New Archery Products Illuminated Nocks New Archery Products NAP-ILLN-GR-3PK: Illuminated Nock 3-pack Green