The Nockturnal Launchpad Crossbow Nock is an easy to install and use LED lighted nock that offers a lightweight, durable, adjustable design that provides a custom fit on virtually any brand of crossbow bolts.
Features:Durable, long-lasting lighted crossbow nock;Custom-fit, micro-adjustable barrel end;One size fits nearly all crossbow brands and models;Weight approximately 30 grains