Features:- 13mm Hardened Max-Performance Steel Shackle Resists Bolt Cutters And Leverage Attacks- Reinforced Cuff Over Crossbar And Cylinder For Added Security- High Security Disc-Style Cylinder- Bent Foot™ Shackle Design For Ease Of Use- Center Keyway Defends Against Leverage Attacks- Anti-Rattle Bumpers Reduce Noise During Transport- Rotating Dustcover Protects Cylinder- Includes New Transit Flexframe-U Transportation System Which Allows For Versatile Carrying- Protective Vinyl Coating- 3 Stainless Steel Keys – One Lighted With High Intensityled Bulb 7 Replaceable Battery- Key Safe ProgramSpecifications:- Dimensions: 3.25 X 5.5 (8.3cm X 14cm)- Weight: 2.65 Lbs (1.20 Kgs)