Crane Rail Specification: QU70, QU80, QU100, QU120 Unit Weight: 52.80kg/m, 63.69kg/m, 88.96kg/m, 118.8 kg/m good quality Crane Rail Specification: QU70, QU80, QU100, QU120 Unit Weight: 52.80kg/m, 63.69kg/m, 88.96kg/m, 118.8 kg/m Length: 12m Material: U71Mn Standard: GB3426-82It is in good quality and reasonable price