Features:

• 12mm six-sided chain links made of 3T manganese steel.
• 14mm hardened max-performance steel shackle.
• 3 stainless steel keys - including a new design and one LED replacable key fob.
• Hardened double deadbolt design gives additional protection against twist attacks.
• Patented hardened oval crossbar design is stronger than a typical round tube.
• Highest security disc style cylinder is pick and drill resistant.
• Sliding dust cover to protect from dirt and debris.
• Hook-n-loop fasteners to hold the nylon cover in place.
• Security rated 9/10.