集裝箱半自動拉索吊具20尺和40尺 1. 適合ISO標準集裝箱；2.旋鎖裝置無需人工拉索既可實現旋鎖動作。 Semi-Automatis Stay Rope Container Spreaders in 20 feet and 40 feet: A) It is suitable to ISO standards container. B) Twistlock structures can finish the twistlock movemens without manual rope.