Q'Straint QRT STANDARD for L Track PN: Q-8201-L 4-Point automotive tie-down restraint & wheelchair securing system for use with L-Track Designed for transit & Para-transit buses, crash tested at 30 mph (50 km/h) Self-tension knob and a built-in release lever, J-Hook ends easily attach to mobility aid frames *Does not include floor pocket mounts, not recommended for occupied use Meets or exceeds all SAEJ2249, ISO 10542, FMVSS 209,210,302,222, cmVSS 209, CSA Z605, AS2596 and ADA requirements