... product that spins an edge on the old padlock systems which can be used for a multitude of ... , gas cylinders, diesel tanks etc. 1) This alarm small padlock is widely used for home, door, window, case, box ... you open the lock and pull out the lock shackle and turn it towards the speaker side within 30 ... destory, Waterproof; 7) Hot processed hardened steel shackle (anti cut & saw), Shackle diameter: 8mm;