Made with Dyneema, Dynaflight 97 now has a larger diameter single strand, meaning that 14 or 16 strands can be used for most recurve and compound bows. Single strand break strength 125 lbs. The 1/4 lb. spool holds approx. 1750 ft. of waxed, black string. Use any synthetic wax. Size: 1/4 lb. Size: 1/4 lb.