This heavy-duty padlock is made of iron and was used on a jail gate. Weighs is approximately above 23 kg kilograms ( 50 pounds). Padlocks like this are used for high-security applications where a strong and secure lock is needed. This is unusually big in size and much more heavier than a normal padlock . This padlock is very rare and very difficult to find and is surely a museum quality piece . Pictures are part of description so please refer to the pictures for details of lock . The lock opens and closes properly and is in good condition as per the age . The size is 18 inches high . , wide 13.5 inches , Size of key is 7.5 inches long. It opens and close well. .