A powerful and weather-protected CEN Grade 4 padlock suitable for locking boats, motorcycles, mopeds, roadblocks and the like. The padlock is designed for mounting cylinders of the type Scandinavian oval cylinders. The lock is delivered in a weather-protected design with sealing O-rings in the shackle holes and a weather protection cap for the cylinder. As an option, the lock is also available with a loose shackle to facilitate locking in hard-to-reach spaces.