High strength sewn termination Plastic Keeper Color-coded lengths Made from EN 892/UIAA 101 Certified dynamic rope MBS Rating: 5,411 pounds MBS Rating: 24.07 (kN) The Sterling phenom is a 10.3 mm dynamic rope lanyard for work positioning and back-up connection. Sewn terminations provide accurate lengths and eliminate bulky knots. A keeper on the sewn eye protect the stitching and keep carabiner properly oriented. the color-coding makes it easy to grab the right length the first time.