Q'Straint A Fitting for QRT Retractors PN: Q8-6500-A Necessary hardware for mounting (1) A-Track plate to a vehicle floor Designed for transit & Para-transit buses, crash tested at 30 mph (50 km/h) Kit includes (5) mounting screws, (5) external tooth lock washers, (1) bolt, and (1) nylon lock nut Heavy duty steel construction with a black paint finish Meets or exceeds all SAEJ2249, ISO 10542, FMVSS 209,210,302,222, cmVSS 209, CSA Z605, AS2596 and ADA requirements