With A Bold Diameter Of 0.7 Cm And A High-Strength Abs Material, The Rockbros Multi-Segment Folding for Effortless Convenience: Our Folding Lock features a smart folding design, enhancing tension resistance, and effortless shrinking. Stainless steel riveting ensures robust connections that resist rust, with sensitive joints for easy locking. Portable and High-Strength Protection - On-the-Go Security: Take it with you anywhere! Our Portable Folding Lock boasts a silicone strap storage frame, ready to go in seconds. The extended lock body secures not only your bike but also more of your valuable belongings. High-Strength Lock Body - Unyielding Security: Thicker than ordinary locks, the 0.7CM lock body is reinforced with high-manganese steel and outer ABS, providing double-layer protection against potential damages and thwarting thieves. Waterproof and Rustproof - Built to Endure: Weather won't be an issue! Our lock's hardened alloy steel surface preserves its appearance, while the ABS rubber sleeve tackles daily rain and sand without erosion. ROCKBROS Warranty - Your Peace of Mind: Rest easy with our 1-year quality guarantee. If you encounter any issues, we offer free replacements within the first year. Committed to exceptional customer experience, we ensure your confidence in buying from us.