Crossbow Strings and Buss Cables RED HOT crossbow strings are expertly designed specifically for today"s high velocity crossbows shooting arrows over 300 fps. RED HOT"s C3 serving extends the life of the string up to three times over the standard materials, it won"t slip, and dramatically reduces friction and wear. Using only premium materials, every RED HOT crossbow string is precision inspected and are guaranteed to perform. • Specifically for crossbows shooting over 300 fps • Features RED HOT C3 serving material (Longer Life) • Available for all Parker Crossbows and most popular models of other brands. • 100% Precision inspected • Won"t slip • Excellent merchandised packaging #38-4522 RED HOT Crossbow String (Fits Thunderhawk)