Full set of custom made compound bow string and cables for your PSE Firestorm X bow. (A normal set of bow strings will be either a bow string and cable for a single cam bow or a bow string and 2 cables for dual or hybrid cam bows.) Features of a 60X Custom Compound Bow String Set: BCY Bow String Material Available in Red/Black, Flo Green/Black, Green/Tan, Black/Tan and Black Black Angel Majesty Center Serving Black 3D or Halo Bow String Serving (based on bow requirements) Proprietary 5 Stage Stretching Process No Creep No Peep Rotation No Serving Separation 1 Year Warranty