The design of the chain ends (patent no. D564339) protects the chain in the hardened deadbolt lock, making it much less vulnerable to breakage. This chain has Sold Secure Gold certification.Details : 10mm six-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Patented*, reinforced OVAL CROSSBAR LOCK HEAD. SLIDING DUSTCOVER protects and extends cylinder life. 3 STAINLESS STEEL KEYS – one LED lighted key with replaceable battery and 2 new, ergonomic 'I" keys. Durable WEATHER-RESISTANT nylon sleeve prevents scratches. Security rating: 8/10. Product dimensions: 120cm chain length. Product weight: 3.08 kg.
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