The Magnum is an ultra-strong U-lock. It boasts a high security, independently approved 16mm shackle lock. With a hardened steel construction and boasting Sold Secure Gold, SBSC Certifierad Produkt, ART 4051 and FG security approvals.
The Magnum has a key replacement service. When you buy your Magnum, simply note down the number which comes attached to the keys on a metal tag. Keep this in a safe place, then in the event that you are unfortunate enough to lose all your keys, it will be possible to get a new key made up for you.