All SerfasA(R) locks come with our Limited Lifetime Warranty to ensure your product is free of manufacturing and/or material defects. Features: Unique Combination U-Lock 4-Digit Resettable Combo Lock Hardened Steel Shackle Shackle Length Rubber Coated Shackle 4 1/2 Ft Steel Braided Cable Specs: Cable Length: 4 1/2 Ft (137.2 cm) Shackle Length: 165mm (6.5 inches) Shackle Diameter: 12mm (0.47 inches) Cable Diameter: 10mm (0.39 inches) Weight: 1,272 Grams (2.8 lbs) Security Rating: 5/10