Sealed Waterproof Shell The locks are fully encased in a waterproof plastic shell, with no dead corners. Waterproof and dustproof to protect the locking mechanism, ideal for use as an exterior lock. Shell wrapped with wear-resistant plastic, can prevent scratches at the same time, durable. Multi-layer Layering Technology A total of 22 layers of galvanized locks are superimposed and they are fixed by 8 rivets. After impact, fall, collision and other experiences, it is still intact and can effectively resist violent damage. Safety Lock Cylinder The internal structure is precise and the Lock part between the lock beam and the lock body is very thick, which is anti-picking. The inner tank with positive and negative groove structure, 4-pin cylinders in the inner tank increase the density of the transmission ratio and increase the difficulty of cracking. Ideal for OutdoorWide range of applications. Can be used indoors and outdoors. It is very suitable for lock cabinets, courtyard door fences, garages, tool boxes and other places. Features: Material: solid hardened steel and waterproof plastic Color: Black Shackle length: 40 MM Body width: 40 MM Shackle Diameter: 7MM Net weight: 398g (2 pieces, including 4 keys) Package Included:2 x Weatherproof Padlock,4 x Keys Precautions: 1. Due to the different light and screen, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2cm difference due to manual measurement. ladaceae