• SPECIAL STEEL: 13mm thickness,the lock is anti-shear 20T hydraulic shear, anti-bump, high-security.
• ANTI-DRILL PLATE: If the theft try to drill the lock cylinder, the anti-drill plate will rotate together with the drill, it won't be damaged.
• AUTOMATIC LOCKING FUNCTION: Etook ET500 U-Lock will automatically lock if you put the lock body inside the head, you don't need a key to lock it.
• ANTI-SCRATCH: The silica gel is attached to the steel with good texture ,which can protect your bike from scratching while using it.
• MULTI-FUNCTION: You can use this lock to lock your bike, e-bike, motorcycle and so on.