BlackHeart Crossbow String 38.75in. Mission - Durable PerformanceUpgrade your crossbow performance with the BlackHeart Crossbow String 38. 75in. Mission. This high quality string is designed for superior durability and reliability, featuring a GlideLock center serving that enhances stability and accuracy during use. The DuraWeave construction ensures that this string can withstand the rigors of repeated shots while maintaining its integrity, making it an essential component for any serious archer. With its pre