Kryptonite Kryptolok 912 Bike Chain Lock, 4 Feet Long 9mm Steel Chain Heavy Duty Anti-Theft Sold Secure Gold Bicycle Chain Lock with Keys for Bike, Motorcycle, Scooter, Bicycle, Door, Gate, Fence

• 9mm four-sided chain links made from 3T MANGANESE STEEL
• Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability
• Hardened DEADBOTL DESIGN provides additional protection
• HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant
• Patent pending integrated lock head with "TALON" DEADBOLT
• Includes 2 NEW ERGONIC "I" KEYS
• Durable WEATHER-RESISTANT nylon sleeve prevents scratches

9mm four-sided chain links made from 3T MANGANESE STEEL. Patent-pending END LINK DESIGN secures chain to hardened deadbolt eliminating critical vulnerability. Hardened DEADBOTL DESIGN provides additional protection. HIGH SECURITY DISC-STYLE CYLINDER is pick and drill resistant. Patent pending integrated lock head with "TALON" DEADBOLT. Includes 2 NEW ERGONIC "I" KEYS. Durable WEATHER-RESISTANT nylon sleeve prevents scratches. Key Safe Program. Product dimensions: 47.25” (120cm) chain length.Product weight: 6.7 lbs (3.04 kgs).