The shutter lock combines the corrosion resistance of a solid brass body with the strength of a hardened steel, all round, protective jacket ensuring reliability in harsh environments. The tough 2.5mm thick hardened steel jacket combined with the revolving 12mm case hardened steel shackle offers optimum strength against all forms of cutting attacks. The ball bearing non- self locking mechanism and the quality 5 pin tumbler combine to offer a superb level of security. Ideally suited for a wide range of applications the steel shutter lock is highly recommended for use on steel roller shutter doors and security chain. Demension:91mm packing:double blister Payment Terms:L/C,T/T at sight