Hexagon chain links in manganese steel 3t of 10 mm 
 The design of the patent-pending chain ends protects the end of the deadbolt lock, making it far less vulnerable to breakage 
 The high-security disk cylinder is resistant to picking and drilling 
 Patented and reinforced locking head with oval transom 
 Sliding dust protection protects the cylinder and prolongs its life 
 3 stainless steel keys - an LED-lit key with replaceable battery and 2 new ergonomic keys 
 Waterproof, durable nylon sleeve prevents scratches 
 Spare key 
 
 Patent D564339 
 
 Chain length: 160 cm 
 Product weight: 4.40 kg