Made of high quality, temper hardened steel the Ultimate 420 has a slightly narrower inner width and lock body than the beefier Super Ultimate. The 13mm shackle double bolts into the lock body for robust protection against cutting and torsion attacks.
- Pass through, double bolting steel shackle provides anti-twist protection
- Shackle, lock body and supporting elements made of special temper hardened steel
- ABUS Premium Cylinder offers great protection against picking