1. Do not lock the key and prevent prying and opening
2. Suitable for bicycles, electric cars, motorcycles, etc. with discs
3. Material: alloy material copper lock core
4. Heat treatment plus hard alloy steel for storm resistance, internal pressure lock core
5. Keyless lock, gently press the lock head can be locked, convenient and fast
6. Equipped with 2 anti-theft keys, beautiful and wear-resistant
7. Dish brake hole diameter: greater than or equal to 5.5mm
8. Size: 3x4.5x3cm
9. Weight: about 183.1g