(h) Nonlocking Retractor. The webbing of a seat belt assembly shall extend from a nonlocking retractor within 6 mm of maximum length when a tension is applied as prescribed rein S5.2(h). A nonlocking retractor on upper torso restraint shall be attached to the nonadjustable end of the assembly, the reel http://ezproxy.cityu.edu.hk/login?url=https://www.ledteks.com/seatbelt-and-safety-belt-webbing