Feature: 1. Multi-purpose code lock, using thickened steel cable, high-strength zinc alloy lock head, PVC shell. Rugged, safe and anti-theft, anti-corrosion and anti-rust. 2. 4-Digit code lock (please don't forget the digital code), keyless use, no troublesome winding, easy to use. 3. This bicycle lock can be connected to multiple locks so that you can use it in multiple scenarios. 4. Only 6 inches, it is more convenient to use and carry, very suitable for bicycles, skateboards, sports equipment, fences, tools, tool boxes. 5. No lock can completely stop anyone who wants to steal your bike. Specification: Name: Portable ring lockLock body: steel cable + PVC shell + ABS lockLock core: Zinc alloy lock coreLength: 0.4m (with lock)Thickness: 11.5mmPassword: 4-digit passwordWeight: about 100g Package List: 1 * Lock Note: Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.Please allow 1-2cm differs due to manual measurement.