... machinery, lawnmowers, toolboxes, gas cylinders, diesel tanks etc.1) This alarm small padlock is widely used for home, door, window, case ... , locker, lockroom , etc.; 2) 105-110 db alarm sound; 3) Auto-alarming system & locking system; 4) Can be used alarmed or unalarmed states ... processed hardened steel shackle (anti cut & saw), Shackle diameter: 8mm; Security Padlock Alarm