A powerful CEN Grade 4 padlock suitable for locking boats, motorcycles, mopeds, roadblocks and the like. The padlock includes ANCHOR disc lock cylinder and 2 keys. The cylinder is protected in the padlock by a 3mm thick hardened free-rotating washer. The padlock is available in a master key system and equal locking groups. As an option, the lock is also available with a loose shackle to facilitate locking in hard-to-reach spaces.