Four keyed alike locks with decent bar thickness and sufficient key. Who needs good keyed alike locks, is here at the right place. However Outside the locks should be protected with a cover from the weather to an extremely long service life to guarantee, as the bracket will start after a few years to rust. But what makes each Stahlbügel- castle sometime. Even with a "non-protection" ... is definitely guarantees a perennial use. A star deduction there anyway, because sometimes the key does not equal (depends a bit), but it falls very low significance. Conclusion: Heavy protection outdoors, from and lubricate the locks ... and last forever. Security at a good price!