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■材質：?鎖體--鋅合金,門擋鉤--鋼,鍍鋅 ■Material：Body--zinc alloy,Hook latch & Line-up fork-steel,zinc plated ■防震：鎖鉤迫緊時5m/m壓縮距離? ■Vibration proof,5m/m Compression / Pulling distance ■適用於側推滑門,機械門板,機柜 ■Suitable for：Sliding doors,machinery door,racks.