Product DescriptionThe Excalibur Beacon Nock 3 Pack is designed to improve arrow visibility and make arrow recovery easier in the field. These shot-activated illuminated arrow nocks provide a bright red light path to the target, helping archers track bolt flight and locate arrows in grass, woods, fur, or feathers. Built for use with Excalibur crossbows and compatible with carbon arrows featuring a .300 inch inside diameter, this set also includes durable Aluminum Rhino Inserts for added strength and dependable performance.Product Highlights Shot-activated illuminated arrow nocks help track bolt flight and improve arrow recovery. Ultra-bright red light design enhances visibility in low light and dense cover. Includes Aluminum Rhino Inserts to maximize durability and long-term reliability. Compatible with Excalibur crossbows and carbon arrows with a .300 inch inside diameter. Convenient 3 pack configuration with easy-off deactivation switch for simple reuse. Specs Product Type: Lighted arrow nocks Model: Beacon Nock Color: Red Pack Quantity: 3 Activation: Shot-activated illumination Deactivation: Easy-off switch Included Components: Aluminum Rhino Inserts Compatibility: Excalibur crossbows and carbon arrows with .300 in. / 7.62 mm inside diameter UPC: 626192107299 MPN: 10729 Brand Name: Excalibur Crossbow Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.