High Quality: Made of premium stainless steel, it has the advantage of high strength and safety. With waterproof function, it can be used outdoors or indoors. Dimensions: The width of this lock is 7 cm. The shackle diameter is 3/8 inch / 9 mm. Wide Usage: It can be used in many places, such as storage lockers, garages, warehouses, trucks, gates, etc. Package Content: 2 pack locks with keys. Each lock comes with 2 keys.