Features: Good workmanship and humanized design. Constructed with high quality stainless steel and zinc lock core. Attached to the disc making it extra difficult to remove without the key. With waterproof function, keep working in rainy days and rust-resistant. Two keys supplied and the internal construction of the lock is special multiple layers. Specification: Condition: 100% Brand New Color: Silver Size: One Size Material: Metal Product weight: Lock body about 187g, key about 19g Product specifications: 45*33mm/1.8*1.3in Lock core specifications: Internal pressure lock cylinder Waterproof rating: Life waterproof Lock pin size: About 5.5mm (<5.5mm disc brakes are not available) Supporting key: Two keys Scope of application: The distance from the hole of the disc brake to the edge is less than 10mm, and the diameter of the disc brake hole is greater than or equal to 5.5mm. Package List: 1 * Mini anti-theft disc brake lock 2 * Keys Note: 1. Please allow 0.1-1cm differences due to manual measurement. 2. Due to the difference between different monitors,the picture may not reflect the actual color of the item.Thank you!