SECURIT U KOLT KEY STANDARD 230/170 6.5x w/10x120CBL TANPatented pick and break resistant 6 wafer key and key cylinder Shackle, body and supporting elements made from temper hardened steel for cut and torsion resistance Pass through shackle provides anti twist protection in a simple innovative design SH 34 Bracket mounts easily to frames with 24 35mm diameter Double layered, special wafers with decoy cuttings for added security Two keys are supplied with the lock