Apecyc 3.9FT Heavy Duty Bike Chain Lock, 8mm Security Bicycle Lock with Auto-Shutter & 2 Keys for Motorcycle, Gates, Sheds

Upgrade your security with the Heavy-Duty Chain Lock.Designed for reliability, it features a robust 8mm thick hardened steel chain and innovative Auto-Shutter Technology that automatically seals the keyhole against dust and moisture when the key is removed. From bikes and motorbikes to gates and storage units, this lock offers superior protection and peace of mind with its user-centric design, ensuring you never forget to lock it again.

• ‌SMART AUTO-SHUTTER: Our unique technology automatically closes the keyhole the moment you remove the key, effectively blocking dust, dirt,and moisture. This smart feature ensures smooth operation and significantly extends the lock's lifespan by keeping the core clean.
• SUPERIOR STRENGTH: Built with a 8mm(5/16")thick hardened steel chain and a reinforced lock body,this lock offers exceptional resistance to cutting,sawing, and prying attempts.
• KEY REMINDER SAFETY FEATURE: The key can only be removed when the lock is fully secured. This clever design prevents accidental unlocking and forces you to confirm the lock is engaged, adding an extra layer of security.
• WEATHER & CORROSION RESISTANT: Equipped with a protective coating, the lock withstands various weather conditions and resists rust, making it perfect for both indoor and outdoor use.
• VERSATILE APPLICATION: A perfect security solution for a wide range of items including bicycles,motorcycles,e-scooters, gates, fences, storage sheds,toolboxes, and more.
• COMPLETE PACKAGE: Includes everything you need: 1 x 8mm Chain Lock, 2 x Keys, and 1 x User Manual.A spare key is provided for backup convenience.
• Specifications: Product Model:PY4266 Chain Material: Hardened Steel Chain Diameter: 8mm(5/16") Lock Mechanism: Keyed Lock Key Quantity: 2 Keys Features: Auto-Shutter, Key Retention Mechanism,Weather-Resistant
• Package Contents: 1 x Chain Lock, 2 x Keys, 1 x User Manual
• Warning: To ensure optimal performance, keep the lock cylinder clean and dry. Avoid violent impacts and exposure to strong corrosive chemicals.