LaunchPad crossbolt lighted nock
•Dependable instant on, easy off led-single one piece housing is reliable and durable
•Adjustable for performance fit and easy installation
•High visiblity LED
•Size A: Works with all Carbon Express and Easton carbon bolts size 0.284" interior diameter.
•Size B:Works with Barnett (0.297"), Cabela's Stalker(0.296"), Beman (0.296"), Victory (0.300") and Gold Tip (0.299") carbon bolts.