The BLACKHAWK! PRL is designed to act as a personal lanyard when operating from helos ships or at dangerous heights. Attach locking carabiners to each end. One side clips to your CQB belt or rappel harness and the other end attaches to anything solid. THIRD PARTY TESTED TENSILE STRENGTH IN EXCESS OF 1500 LBS! Tubular webbing and internal shock cord . Five bartacks on each end secure the internal shock cord and create biner loops. Regular - 15 Relaxed / 19 Stretched (990453OD). Long - 23 Relaxed / 31.5 Stretched (990802xx). Regular - 15 Relaxed / 19 Stretched (990453OD). Long - 23 Relaxed / 31.5 Stretched (990802xx).