Altor SAF Lock - Angle Grinder Proof Bicycle U-Lock

The worlds first angle grinder resistant bike lock Patented SAF Tech Shackle protects against angle grinders and conventional attacks A double-locking cross bar and a high-security disc-detainer lock mechanism with 4 laser-engraved keys to defend your lock from conventional attacks 6.0 kgs / 13.2 lbs total weight, 7.9 x 11 in outer dimension, 3.1 x 5.5 in inner dimension Designed and Fabricated in the USA The Altor SAF Lock is the world's first angle grinder resistant lock. Angle grinders have become the new norm in bike theft yet every bike lock on the market is only designed to protect against hand tools. Made from a 14mm hardened steel shackle, wrapped in patented aluminum shell and attached on both sides to a double locking cross bar inside a hardened steel case, the SAF Lock will defend your bike against even the most determined attack. The SAF Lock comes with 4 matching keys, so you can share with a friend and have a backup in case one is lost.