The Yates SF Personal Retention Lanyard is designed to connect to the users harness and to a fixed surface or extraction point via the unique aluminium snap hook. Constructed from mil spec. 5625 tubular webbing, the lanyard tests over 3400 lbf (15kN) breaking strength. The Kong Tango locking snap hooks are classified to meet NFPA 1983/2006 edition standards. Strength 7425 lbf.(33kN).