The Carbon Express Launchpad Precision Nock will fit arrow to bowstring tightly with enough space to allow for a natural draw and release. An overly tight or loose fitting nock can negatively impact arrow flight and accuracy. Top shooters know that nocks are an important component of consistent and accurate arrow flight. This insight led Carbon Express̴ engineers to develop the patent-pending Launchpad precision nock. Features: Precise contact points for controlled arrow release. Concentric design to center the nock in the arrow shaft for more consistent performance. Aligned nock barrel for true arrow flight. Delivers precision engineering and perfect balance. Ensures superior accuracy for truest flights. Made from polycarbonate for strength and durability. Size: .203. Sold in pairs of 12.